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61th Foundation Day Celebration

Departmental Profile

Established in 1955, Physics Department is one of the few departments, the university has started with. Since then, it has continued to be a hub of leading physics education and research activities in the whole of the North Eastern India. The department has three Bhatnagar awardees among its distinguished list of alumni. The Physics Department operates the only astronomical observatory (GUO) of the region, which is also one of the major academic facilities of the region. The GUO houses three astronomical telescopes offering research opportunities in observational astronomy. It, at present, the department has fifteen faculty members, about 100 postgraduate students (M. Sc.), and about 35 research scholars (Ph. D.).

One of the major research facilities, which is being set up by the department is the ST-Radar (Stratosphere-Troposphere) facility worth Rs.35.0 Crore, which is coming up inside the university campus. This is an inter-institutional facility by the Department of Electronics and Information Technology (GOI) setup mainly for weather profiling and related research.

Research Grants

Old Departmental Data

We offer three Postgraduate Courses - MSc in Physics, MSc in Radiological Physics, and PhD in Physics. Our MSc Physics course has certain inter-institutional papers. The Radiological Physics course is the only one in the entire northeast (and among the few in the country) to be recognised by AERB (Atomic Energy Regulatory Board). This course is run in collaboration with B Barooah Cancer Institute, Guwahati.

Physics Department is now under the DRS-III Phase of SAP (Special Assistance Programme) Grant of the UGC.

Postgraduate Courses

Course Type: Course Name: Subject: Semesters Years Intake Capacity:
Postgraduate MSc in Physics Physics 4 2 50

Each year we admit about 50 students to this course. Majority of our students come from the affiliated colleges though we are able to maintain a good number of students from all over the country. The cut-off percentage for the academic session 2014-15 was about 76%.

We offer up to seven specialisations (known as electives) and several advanced courses some of which are intra-institutional.

Our elective subjects include Astrophysics, High Energy Physics, Lasers & Spectroscopy, Nano Physics, Physics of Thin Films, Advanced Electronics, Applied Nuclear Physics, Cosmic Rays, GTR & Cosmology, Gauge Theory, and Plasma Physics.

Course Type: Course Name: Subject: Semesters Years Intake Capacity:
Postgraduate MSc in Radiological Physics Physics 6 3 10

This is one of the very few courses on Radiological Physics in the country and the only one in the Northeastern region. This course is run in collaboration with the BBCI (B Borooah Cancer Institute) in a credit sharing basis.

We admit about 10 students in this course through an entrance test. Our course is among only few other courses in the country recognised by the Atomic Energy Regulatory Board (AERB).

Course Type: Course Name: Subject: Semesters Years Intake Capacity:
Postgraduate MA/MSc in Anthropology Anthropology 5

Each year, we admit about 15 PhD students through a highly competitive centralised entrance test. We offer up to 10 RFSMS Fellowships (at per with CSIR NET) to these scholars.


Anurup Gohain Barua
MSc (Dibrugarh) PhD (Dibrugarh) Spectroscopy and Electronics
Buddhadeb Bhattacharjee
MSc (Gauhati) PhD (Gauhati) Nuclear Physics
Deepali Sarkar
MSc (IITKgp) PhD (IACS) Postdoctoral Fellow (CSIR RA, IACS) Condensed Matter Physics
Kalyanee Boruah
MSc (Gauhati) PhD (Gauhati) Nuclear Physics and Cosmic Ray
Madhurjya P Bora [ Head of the Department ]
MSc (Delhi) PhD (Delhi) Postdoctoral Fellow (MIT, Cambridge) Commonwealth Fellow (York, UK) Plasma and Astrophysics, Nonlinear Dynamics

Associate Professors

Banty Tiru
MSc (Gauhati) PhD (Gauhati) Electronics
Kalpana Bora
MSc (Delhi) PhD (Gauhati) Visiting Scientist (MIT, USA and ICTP, Italy) Theoretical High Energy Physics

Assistant Professors

Abhijit Das
MSc (Gauhati) PhD (IITG) Lasers and Spectroscopy
Bimal Kumar Sarma
MSc (Gauhati) PhD (IASST) Material Science
Hemen Kumar Kalita
MSc (Gauhati) PhD (IIT, Bombay) Nanoelectronics and Nanotechnology
Hirakjyoti Goswami
MSc (Gauhati) PhD (Gauhati) Electronics
Kushal Kalita
MSc (Delhi) PhD (Delhi) Postdoctoral Fellow (ANU, Canberra) Nuclear Physics
Manos Pratim Chakrapani Kalita
MSc (Gauhati) PhD (IITG) Material Science
Sanjeev Kalita
MSc (Gauhati) PhD (Gauhati) Astrophysics and Cosmology
Simanta Hazarika
MSc (Gauhati) PhD (Gauhati) Post Doctorate (Cornell) Laser Spectroscopy
Subhankar Roy
MSc (Gauhati) PhD (Gauhati) High Energy Physics
Sulochana Deb
MSc (Gauhati) PhD (Gauhati) Condensed Matter Physics

Associated Faculty

Atowar Rahman (Retired Professor)
MSc (Gauhati) PhD (Gauhati) Condensed Matter Physics
Dilip Kumar Choudhury (Retired Professor)
MSc (Delhi) PhD (Delhi) High Energy Physics
Minakshi Devi
MSc (Gauhati) PhD (Gauhati) Electronics, Atmospheric Physics
Hira Lal Duorah (Retired Professor)
MSc (Delhi) PhD (Delhi) Astrophysics, Cosmology
Kalpana Duorah (Retired Associate Professor)
MSc (Gauhati) PhD (Gauhati) Astrophysics, Cosmology
Minakshee Devi (Retired Professor)
MSc (Gauhati) PhD (Gauhati) Electronics, Atmospheric Physics
Abdul Kader (Magnetars)
Amarjyoti Kalita (Semiconductor Nanostructures) RFSMS Fellow
Baishali Saikia (Nucleon Structure Functions) RFSMS Fellow
Bappaditya Pal (Dilute Magnetic Semiconductors) CSIR Senior Fellow
Bonita Das (Cosmic Ray)
Gayatri Ghosh (Fermion Mass Mixing) RFSMS Fellow
Jayashree Medhi (Gamma Ray Spectroscopy)
Jugal Lahkar (Extra Dimension and Meson Mass) CSIR Junior Fellow
Kabita Baruah (Conducting Polymers)
Kalyan Dey (Simulation of Detector Responses)
Kamal Dutta (Hadron Physics and Detector Simulation) DST Project Fellow
Kuldeep Deka (Semiconductor Nanostructures) RFSMS Fellow
Luxmi Machahari (Small-X QCD) Rajiv Gandhi Fellow
Mausumi Das (Conducting Polymer gas Sensors) RFSMS Fellow
Mintu Das (Prous Silicon) RFSMS Fellow
Murchana Khusroo (Magnetospheric Plasma) RFSMS Fellow
Nabendu Kumar Dev (Nuclear Reaction Dynamics) CSIR Junior Fellow
Nandita Lahkar (Nuclear Astrophysics)
Neelakshi Sarma (Neutrino Physics)
Nibedita Kalita (Astrophysical jets and Blazars)
Nur Hussain (Rapidity and Transverse Momentum Spectra of Light Flavoured Particles) Project Fellow
Partha Pratim Debsarma (Conducting Polymer Biosensors)
Pranita Das (High Energy Astrophysics)
Pranjal Sarma (Detector Related R&D of LHC-ALICE Data) Project Fellow
Priya Bharali (Cosmic Ray)
Punam Patigiri (Cosmic Ray)
Rajita Goswami (Nonlinear Plasma) RFSMS Fellow
Rinku Deka (Plasma Sheath) RFSMS Fellow
Rubi Baishya (Power Line Communication) RFSMS Fellow
Sanjib Baglary (Silver Nanocomposites) Rajiv Gandhi Fellow
Shakeel Zamal (Cosmic Ray) Teacher Fellow
Shyamal Kumar Dey (II-VI Nano Composites)
Suniti Changmai (PIC Simulations in Plasma)
Tapan Rajbongshi (Nuclear Reaction Dynamics) UGC Project Fellow
Tapashi Das (Mesons and Glueballs) RFSMS Fellow
Uday Sankar Senapati (II-VI Nano-Green Synthesis)
Upakul Mahanta (Nucleosynthesis)
Aditya Kalita (Earthquake prediction through stress inversion)
Alaka Medhi (System development for earthquake study) RFSMS Fellow
Bornali Chetia (Remote sensing techniques and applications) Project Fellow
Gyandeep Saikia (Electronics) Project Fellow
Kritika Pathak (Electronics and communication) RFSMS Fellow
Runmi Athparia (Earthquake studies through EM techniques) RFSMS Fellow
Samiran Patgiri (Electronics) ) Project Fellow
Shyam Sundar Kundu (Atmospheric physics)
Subrat Das (Parallel processing and worst weather prediction)
Yashmin Zahan (Atmospheric physics) Project Fellow
Prafulla Chnadra Kalita (Foreman)
Bharadwaj Roychoudhury (Laboratory Supervisor)
Debabrat Barua (Senior Laboratory Assistant)
Jagadish Chandra Goswami (Senior Laboratory Assistant)
Nikunja Narayan Barua (Mechanic)
Dhrubajyoti Choudhury (radio Mechanic)
Monowar Hussain (Assistant Mechanic)
Nitul Saikia (Carpenter)
Sanjiv das (Store Keeper cum Computer Operator)
Dipak Sarma (Laboratory Bearer)
Joy Chandra Deka (Laboratory Bearer)
Nripen Chandra Das (Laboratory Bearer)
Sahadev Das (Laboratory Bearer)
Ajay Kalita (Laboratory Bearer)
Tarini Kalita (Cleaner)
Manoj Chandra Das (Peon)
Mukut Ali (Helper)
Habib Ali (Helper)
Somen Gope (ALICE Project) Project Assistant
Dilip Kumar Tiwari (Detector Related R & D) Project Assistant

Use of Computer Lab

As you know, in our continuing effort to providing better facilities to our students, faculties, and staffs, we have already made the computer lab open for 24 hours, 365 days a year. Any permanent member of the department (members of the faculty, staff, and research scholars) is provided fingerprint authentication so that he/she can use the lab at any time during the day.
The MSc students can use the lab at any time during the day, however, they are not provided the authentication. They need to request somebody, who can provide authentication, in order to enter the lab. This is done, officially by Mr Sahadev (lab attendant), whom you can find during office hours. Now we have extended this time till 7:30 PM in the evening, beyond which they must be accompanied by a person, who can authenticate.

However, if an MSc student needs to use the lab beyond the designated time, they can always request Dr M P Bora (in-charge) for permission.

Hereby, it is being notified about this to all concerned students and staff.

Please DO NOT switch off any computer or power supply. If you are the last person to come out of the lab, please switch off all lights, fans, and A/Cs.

Department of Physics
Gauhati University, Guwahati 781014, Assam
Phone : (+91) 3612570531
Email :
Web   :


Friday Seminar is a weekly event of the Physics Department, where talks (usually of one hour duration) are delivered by Faculty Members, Students, Research Scholars, and Invited Speakers on various topics, ranging from present-day research to classroom-level (pedagogical) talks. There are also Student Seminars, which are usually given by postgraduate (MSc) students and they, in general, talk on some basic topics of interest.

We welcome any interested person to these talks, which is held every working Friday at 14:30 hours (2:30 PM) at the Physics Gallery. Complimentary refreshments are served at the end of the talks.

If you are interested in these seminars and would like to get prior information, send an e-mail to with the subject Friday Seminar.

2012-2013(23 Talks)

17th August, 2012 : On the discovery of Higgs particle by N Nimai Singh, GU
24th August, 2012 : Intergalactic magnetic field and arrival direction of ultra high energy protons by Santabrata Das, IITG
31st August, 2012 : Field Gate Programmable Array (FGPA) by Banty Tiru, GU
7th September, 2012 : Methods of producing low temperatures by Manas Pratim Chakrapani Kalita, GU
14th September, 2012 : Fascinating light of the firefly by Anurup Gohain Boruah, GU
21st September, 2012 : Dark Matter by Bidyut Bikash Hazarika and Nur Hussain, GU
28th September, 2012 : Accelerators and their uses in experimental physics by Kushal Kalita, GU
12th Octoberber, 2012 : Renewable Sources of Energy - Solar Energy by Sankar Barman, Ecosense Sustainable Solutions, New Delhi
2nd November, 2012 : Geiger Muller Counter by Tonuj Deka and Mr Tridib Deka, Physics, GU
9th November, 2012 : Dealing with problems in Classical Mechanics by Subhankar Roy, Physics, GU
16th November, 2012 : Nuclear reactions and optical model analysis for elastic (quasi-elastic) scattering by Pranab Dutta and Tapash Nath, Physics, GU
11th January, 2013 : Magnetisation dynamics in nano/micro strucrtures using micro-Hall magnetometry by Pintu Das, J W Goethe University, Germany
25th January, 2013 : Symbolic Computation by Madhurjya P Bora, GU
1st February, 2013 : Technique of generating intense and ultrashort laser pulse by Rani Saikia and Suman Sarkar, GU
8th February, 2013 : Energy crisis - Role of nuclear energy by Pallabi Pathak and Dipshikha Borah, GU
15th February, 2013 : Atmosphere and its role in communication by Santanu Konwar, GU
22nd March, 2013 : Web of Science by Alok Jha, Thomson Reuters
5th April, 2013 : Demonstration on Exploring Nanotechnology by Manas Pratim Chakrapni Kalita, GU
12th April, 2013 : Superconductors and its applications by Priyanka Bhowmick and Ashim Bhowal, GU
26th April, 2013 : An innovative path to un-congested roads by Aniruddh Singha, GU
3rd May, 2013 : Powder X-ray diffraction (PXRD) practice on nanocrystalline thin films by Bimal Sarma, GU
17th May, 2013 : Analog signal acquisition techniques by Utpal Sarma, GU
14th June, 2013 : Status of two popular models of supersymmetry with and without seesaw by Ketan Patel, TIFR, Mumbai

2013-14 (17 Talks)

23rd August, 2013 : Characteristics of the light of the firefly by A Gohain Barua, Physics, GU
30 August, 2013 : Computer generated hologram and its applications by Abhijit Das, Physics, GU
6 September, 2013 : Introduction to materials modelling and simulation by Munima B Saharia, IASST
13 September, 2013 : Demonstration of PC Trace Software by Utpal Sarma and Banty Tiru, Physics, GU
20 September, 2013 : Measuring cosmic distances by Kalyanee Boruah, Physics, GU
27 September, 2013 : Exoplanets - An astrophysical perspective by Mauchumi Talukar and Harun Al Rashid, 3rd Sem, MSc (Phys), GU
4 October, 2013 : Knowing our universe - then and now by Shirshendu Sekhar Das and Chayamika Rabha, 1st Sem, MSc (Phys), GU
25 October, 2013 : Projecting low and extensive dimensional chaos from spatio-temporal dynamics in a model for plastic instability by Ritupan Sarmah, Materials Research Centre, Indian Institute of Science, Bangalore
1 October, 2013 : Comet ISON and New Solar System by U N Deka, Pragjyotish Amateur Astronomers' Association, Guwahati
19 December, 2013 : Towards realisation of all-electric spin valve by Partha Pratim Das, NIT, Surathkal (Karnataka)
7 February, 2014 : Transonic astrophysical flows around compact objects by Santabrata Das, IIT Guwahati
7 March, 2014 : Quantum Gravity : an astrophysical perspective by Harun Al Rashid and Kingsuk Kashyap Kalita, GU
14 March, 2014 : Nanophysics : the fastest growing technology in the current age by Bikash Sarma, GU
21 March, 2014 : Signal recovery by Aparna Das and Binita Borgohain, GU
28 March, 2014 : The random laser : an example by Prof A Gohain Barua, GU
4 April, 2014 : A birthday cake for the Centenary of General Relativity - ripples from the Big Bang by Sanjeev Kalita, GU
16 May, 2014 : Properties of Nanomaterials by Sanu Sarkar, GU
19 September, 2014 : The Radio Universe by Shirshendu Sekhar Das and Nairita Basu, GU
10 October, 2014 : Exploring the black hole by Olag Pratim Bordoloi and Chayanika Rabha, GU
17 October, 2014 : On the Nobel Prize 2014 by Dr Atowar Rahman, GU

11th P C Mahanta Memorial Lecture

Prof P C Mahanta was the founder head of the department of this department, who has given a definite shape to this institution. A PhD from Imperial College, London, he was a top-rated physicist of that time, working mainly on material science.

Born in the year 1911 in Bajali, Assam, Prof Mahanta was a visionary from the beginning. After completing his graduation from Cotton College, and masters from University of Calcutta, he joined Cotton College as a Lecturer in 1941. In 1948, he went to the UK to do his PhD from Imperial College, London, where he also earned a diploma from Imperial. On his return, he once again joined Cotton College before coming to Gauhati University as the founder Head of the Department of the newly founded Physics Department, in 1955, and remained till his superannuation.

Every year the Department organises this memorial lecture in the memory and honour of Prof Mahanta and remembers his invaluable contribution. Many famous scientists have graced this occasion in the past, which includes Sir (Prof) Arnold Whittaker Wolfendale, FRS and Astronomer Royal, UK, the famous Astrophysicist, Prof Jayant Vishnu Narlikar, and Prof Yash Pal, former Chairman of UGC. This year, we have dedicated the Memorial Lecture to the International Year of Crystallography, which is being celebrated worldwide, this year.

In this year, the 11th Memorial Lecture was delivered on Thursday, 13 November, 2014, by Molecular Biophysicist Prof M R N Murthy from Indian Institute of Science (IISc), Bangalore.

2014 Memorial Lecture :

Speaker : Prof M R N Murthy, IISc, Bangalore, India
Topic : Celebration of the International Year of Crystallography : A Personal Saga
Venue : Physics Gallery, Physics, GU
Date : Thursday, 13 November, 2014


As a part of the celebration of the International year of crystallography and in recognition of great strides that have recently been made in structural biology, I will present historical perspectives and recent experimental and theoretical advances in X-ray diffraction studies on biological macromolecules. I will illustrate the technology and the excitement of research in this area with our work on the structure and assembly of Sesbania mosaic virus as an example.

Biography of Prof M R N Murthy

Prof Mathur Ramabhadra Shastry Narasimha Murthy was born in the small village of Mathur situated in the Shimoga District of Karnataka State. Because of his background, Murthy has intimate knowledge of Indian rural traditions and customs. Murthy, along with Professor M. Vijayan, established X-ray diffraction facility at the Molecular Biophysics Unit, which served as the national nucleus for crystallographic work in the initial decade of such structural work in India. Also in the 1980s and early 1990s, computational facilities available at the Indian Institute of Science were inadequate for even protein crystallography and successful execution of structural studies of viruses was unimaginable. Murthy developed methods for the structure determination and analyses of viruses that were computationally efficient and less demanding of resources, writing several programs and adopting a number of other available programs to smaller computing machines.

His success in these endeavours is reflected in the successful conclusion of several structural studies on virus particles, which are the only such studies performed in the twentieth century in the third world. Murthy has shown deep commitment to Science education in the state of Karnataka of India. This interest has been facilitated by his intimate knowledge of the state language, Kannada and his ability to express ideas of Science with ease. He has actively participated in the activities of Karnataka Rajya Vigyana Parishad (an autonomous organization with the goal of promoting science education), Bangalore Association for Science Education (functioning from the Nehru Planetarium, Bangalore), extension lecture program of the Indian Institute of Science, supported by the University Grants Commission, New Delhi and Karnataka State Council for Science and Technology.

He frequently writes articles on scientific ideas and discoveries in the local language. Kannada Pusthaka Pradhikara (a publishing body of the Karnataka Government) has published a popular book on Biotechnology written by him in Kannada.

All Memorial Lectures

Past P C Mahanta Memorial Lectures

2014 : Prof N R M Murthy, Indian Institute of Science (Celebration of the International Year of Crystallography : A Personal Saga)
2013 : Prof Amitava Raychaudhuri, University of Calcutta (“Higgs” Boson : the discovery and the take-away message today)
2012 : Prof A Surajlal Sharma, University of Maryland (Multiscale phenomena and compexity of Earth's magnetosphere)
2011 : Prof M Sami, Jamia Milia Islamia (The darkness of the Universe)
2007 : Prof S V Dhurandhar, IUCAA (Detection of gravitational waves - the Dawn)
2005 : Prof H Nandkumar Sarma, Manipur University (Development of physics after Einstein's miraculous year 1905)
2003 : Prof C N R Rao, JNCAS (Self-assembled systems of matter)
1999 : Prof A W Wolefendale, Astronomer Royal (Messengers from outer space)
1998 : Prof Yash Pal, Former Chairman, UGC
1997 : Prof N K Dadhich, IUCAA (New trends in cosmological studies)
1996 : Prof J V Narlikar, Director, IUCAA (New developments)

2014 : Prof N R M Murthy, Indian Institute of Science (Celebration of the International Year of Crystallography : A Personal Saga)
2013 : Prof Amitava Raychaudhuri, University of Calcutta (“Higgs” Boson : the discovery and the take-away message today)
2012 : Prof A Surajlal Sharma, University of Maryland (Multiscale phenomena and compexity of Earth's magnetosphere)
2011 : Prof M Sami, Jamia Milia Islamia (The darkness of the Universe)
2007 : Prof S V Dhurandhar, IUCAA (Detection of gravitational waves - the Dawn)
2005 : Prof H Nandkumar Sarma, Manipur University (Development of physics after Einstein's miraculous year 1905)
2003 : Prof C N R Rao, JNCAS (Self-assembled systems of matter)
1999 : Prof A W Wolefendale, Astronomer Royal (Messengers from outer space)
1998 : Prof Yash Pal, Former Chairman, UGC
1997 : Prof N K Dadhich, IUCAA (New trends in cosmological studies)
1996 : Prof J V Narlikar, Director, IUCAA (New developments)

The Gauhati University Observatory, popularly known as the GUO is one of the largest astronomical observatory in the Northeastern India, operated by a university. It is operated by the Physics Department of Gauhati University and located on a hilltop inside the university campus. At present, this observatory houses 5 telescopes, of which the largest (in terms of the diameter of the objective mirror of the telescope) telescope of 16-inch diameter (Meade ACF) is the recent addition. This telescope is permanently mounted inside the observation dome and is completely controlled by the onboard electronics and computers. The newest acquisition to the GUO is a fully automatic, GPS controlled, 9-inch (Celestron) telescope with external battery bank for outdoor operation. While the 16-inch ACF will be completely devoted to research along with some of the very sophisticated scientific instruments, the 9-inch telescope is devoted to day-to-day observation, student training, and public viewing. This telescope is a portable one and can be setup for astronomical observation within a few minutes with the help of its GPS controller. It is mounted on an equatorial tripod and housed under motorised sliding-roof fibre glass observation dome.

The GUO was set up in the early eighties by Prof Hiralal Duorah, then a professor of astrophysics, who has later become the Vice Chancellor of this university. It was his initiative that this observatory has come to exist. The observatory was started with the only telescope available at that time in the Physics Department, a 6-inch reflecting, German made (Carl Zeiss) telescope of the fifties. Several astronomical observations were made with this telescope and two students have gone to receive their PhD degrees on astronomy, with observation initiated with this telescope. In the nineties, a new computerised telescope, a 12-inch Meade 12-XP was commissioned. This was a completely state-of-the-art telescope by the standards of that time and is still in operation.
In recent times, several sophisticated scientific instruments including a photoelectric photometer, high definition CCD camera, and a spectrograph were procured. In 2008, with additional grant from the state government, the University has decided to upgrade the facilities of the GUO by providing the necessary funds. As a result, a 16-inch automatic telescope was procured. This telescope was custom made by the manufacturing company, Meade Corp, USA for the GUO and has already been installed in the GUO. A 9-inch telescope is installed in a newly constructed, sliding roof, motorized, fibre glass dome in the observatory. This new observation dome is conceptualized and designed by Madhurjya P Bora, In-Charge of the observatory, which is later fabricated by a specialized firm. When needed, the roof of this observation dome can be completely removed (with the help of a remote controlled motorized system) to get the maximum exposure of the night sky by the telescope.


Computer Laboratory

The Physics Department houses its own computer laboratory with 24 hours highspeed, fibreoptic Internet connection. It facilitates all major commercial and opensource physics softwares (both Linux and MS Windows). The department also has a small cluster dedicated for parallel computation.

Seminar Library

We have a departmental Seminar Library, which has about 1500 books, including the major text books, encyclopedias, and handbooks. This library is fully computerised and connected to the departmental LAN.

GUO astronomical observatory

The Physics Department operates an astronomical observatory, known as the Gauahti University Observatory (GUO), which is an adjunct to the department. The GUO houses three telescopes : a fully automated 12-inch, Mead LX-200 Schmidt Cassegrain scope, a manual and trackable, 6inch Cassegraib scope, and a 3-inch Galilean scope. Besides, it has two, highspeed, researchlevel, photoelectric photometers and a CCD camera. Apart from the students' activities, the GUO, from time to time conducts public sky viewing programmes on different occasions.

Condensed Matter Laboratory

This laboratory is equipped with a Varian spectrophotometer, a monochromator (Oriel), an rf sputtering unit (Hind Hivac), and a vacuum coating unit. Electrometers and Picoammeters (Keithley) are also avaible to the users. The X-Ray laboratory has X-Ray generators (Phillips).

Laser and Advanced Spectroscopy Laboratory

It belongs to the Laser and Advanced spectroscopy section. It comprises two parts-

Spectroscopy part: This part of the laboratory has three spectrographs out of which two are quartz spectrographs and one is glass spectrograph. It houses a dark room which has the facility to make negatives and positives of the spectrum recorded by the spectrographs. Instruments necessary to calibrate the spectral lines are also available.

Photonics part: The photonics part of the laboratory was constructed recently with the financial assistance from the Department of Science and Technology, India under the FIST programme. It comprises a PC Interfaced Digital Spectrometer (HR2000, Ocean Optics). It is capable of generating spectrums in the visible range at the video rate. It also comprises a computer generated holography set up whose main component is a Liquid Crystal Spatial Light Modulator (LC2002, Holoeye). Other arrangement includes analysis of an imaging system using a CCD camera (Basler A601f).

Nuclear Physics Laboratory

The Nuclear laboratory houses a Mini-Array Cosmic Ray detector, Cerenkov detector, Plastic scintillator counters, Alpha pectrometer, and binocular research microscopes.

Electronics and Robotics Laboratory

A newly established robotics laboratory has been added to this section. It has microwave test bench, fibre optic trainer kit, and a couple of LIDERs and distrometer.

Physics Workshop

The Physics Workshop is a unit of the departmental laboratories which has two sections : Electronics and Machine shops. The Electronics section cater to the needs of various student-related projects. The Machine section has different lathe machines and other related machineries. It also has a Carpentry section.

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