Ranjit Thakuria

Ranjit Thakuria

Assistant Professor

MSc (Gauhati) PhD (Hyderabad)

Supramolecular Chemistry, Mechanochemistry

Department of Chemistry
Gauhati University, Guwahati, 781014
Email:- ranjit.thakuria@gauhati.ac.in


Ranjit Thakuria was born in Guwahati, Assam. He completed his B. Sc. from B. Borooah College and M. Sc. from Gauhati University in Chemistry. After completion of his masters, he joined School of Chemistry, University of Hyderabad as a JRF fellow. In 2011, he completed his Ph. D. in Crystal Engineering under the supervision of Prof. Ashwini Nangia, after which he carried out two post-doctoral in University of Cambridge, UK (2011-2012) with Prof. William Jones and Tel-Aviv University, Israel (2013-14) with Prof. Israel Goldberg respectively.

He joined Gauhati University as an Assistant Professor in June 2014.



 1. Trishna Rajbongshi  


2. Poonam Deka, UGC-JRF

3. Diptajyoti Gogoi


Former PhD Student



 1. Dr. Kashyap Kumar Sarmah, CSIR-SRF

Completed PhD on 12th September 2020

Thesis title: Mechanochemical Synthesis of Pharmaceutical Solids/ Functional Materials and Their Property Modification

Assistant Professor, Behali College, Behali




  • Crystal Engineering
  • Pharmaceutical Cocrystal
  • Mechanochemistry
  • Host-guest chemistry
  • Coordination polymer
  • Amorphous materials


  • Cipla R & D, Mumbai
  • CDRI Lucknow, India
  • University College London, UK
  • McGill University, Canada
  • University of Warsaw, Poland
  • Wayamba University of Sri Lanka, Sri Lanka 

Publication from GU 

  1. T. S. Thakur and R. ThakuriaCrystalline multi-component solids, an alternative for addressing the hygroscopicity issue in pharmaceutical materials (Review article), Cryst. Growth Des.202020, 9, 6245–6265. {IF = 4.153}

  1. P. Sarma, K. K. Sarmah, D. Kakoti, S. P. Mahanta, N. M. Adassooriya, G. Nandi, P. J. Das, D.-K. Bučar and R. Thakuria, A readily accessible porous organic polymer facilitates high-yielding Knoevenagel condensation at room temperature both in water and under solvent-free mechanochemical conditions, Catalysis Communication, under revision, 2020. {IF = 3.674}

  2. K. K. Sarmah, N. Nath, D. R. Rao and R. Thakuria, Mechanochemical Synthesis of Drug-Drug and Drug-Nutraceutical Multicomponent Solids of Olanzapine, CrystEngComm2020,22, 1120-1130. {IF = 3.382}




    K. K. Sarmah, T. Rajbongshi, A. Bhuyan, and R. Thakuria, Effect of Solvent Polarity in Mechanochemistry: Preparation of Conglomerate vs. Racemate. Chem. Commun.2019, 55, 10900-10903. {IF = 6.164}

  4.  P. Sarma, K. Patir, K. K. Sarmah, S. K. Gogoi, R. Thakuria and P. J. Das, Stimuli-responsive aggregation induced fluorescence in a series of biphenyl based Knoevenagel products: Effect of substituent active methylene group on [pi]-[pi] interaction. Acta Cryst B2019, B75, 775-783. {IF = 6.732}

  5. R. Thakuria, M. Arhangelskis, M. D. Eddleston, E. H. H. Chow, B. J. Aldous, J. F. Krzyzaniak, and W. Jones, Cocrystal dissociation under controlled humidity: A case study of caffeine-glutaric acid cocrystal polymorphs, Org. Pros. Res. Dev., 2019, 23 (5), 845-851. {IF = 3.327}

  6. R. Thakuria, N. K. Nath and B. Saha, The Nature and Applications of π-π Interactions- A Perspective, Cryst. Growth Des.201919 (2), 523–528. {IF = 4.153}


     T. Rajbongshi, K. K. Sarmah, A. Sarkar, R. Ganduri, S. Cherukuvada, T. S. Thakur and R. Thakuria, Preparation of Pyrazinamide Eutectics Vs. Cocrystals Based on Supramolecular Synthon Variations, Cryst. Growth Des.2018, 18 (11), pp 6640–6651. {IF = 4.055}



     K. K. Sarmah, P. Sarma, D. R. Rao, P. Gupta, N. K. Nath, M. Arhangelskis and R. Thakuria, Mechanochemical Synthesis of Olanzapine Salts and Their Hydration Stability Study Using Powder X-Ray Diffraction, Cryst. Growth Des., 2018, 18 (4), pp 2138–2150{IF = 4.055}

  9.  R. Thakuria and B. Sarma, Drug-drug and drug-nutraceutical cocrystal/ salt as alternative medicine for combination therapy: A Crystal Engineering approach, Crystals, 2018, 8(2), 101; doi:10.3390/cryst8020101. {IF = 1.5}

  10.  K. K. Sarmah, T. Rajbongshi, S. Bhowmick and R. Thakuria, First-line antituberculousis drug Pyrazinamide: Its pharmaceutically relevant salt and cocrystals, Acta Cryst B, 2017, 73, 1007–1016. {IF = 6.467}

  11.  K. K. Sarmah, K. Boro, M. Arhangelskis, and R. Thakuria, Crystal structure landscape of Ethenzamide: their physicochemical property study, CrystEngComm, 2017, 19, 826-833. {IF = 3.849}

  12.  R. Thakuria, M. D. Eddleston, E. H. H. Chow, L. J. Taylor, B. J. Aldous, J. F. Krzyzaniak, and W. Jones, Comparison of Surface Techniques for the Discrimination of Polymorphs, CrystEngComm, 2016, 18, 5296-5301. {IF = 3.849}

  13.  K. K. Sarmah, A. Sarma, K. Roy, D. R. Rao, and R. Thakuria, Olanzapine salts and diversity in molecular packing, Cryst. Growth Des., 2016, 16 (2), 1047–1055. {IF = 4.891}


    Book Chapters   


  1. R. Thakuria, B. Sarma, A. Nangia, Hydrogen Bonding in Molecular Crystals, Comprehensive Supramolecular Chemistry, 2nd Edition, 2017, vol. 7, pp. 25–48.   
  2. R. Thakuria, T. S. Thakur, Crystal Polymorphism in Pharmaceutical Science, Comprehensive Supramolecular Chemistry, 2nd Edition, 2017, vol. 5, pp. 283–309.


   Collaboration work

  1. A. Prajapati, M. Kumar, R. Thakuria, A. K. Basak, Tetrahedron Letters2020,https://doi.org/10.1016/j.tetlet.2020.152347 . {IF = 2.347}  

  2. A. Prajapati, M. Kumar, R. Thakuria and A. K. Basak, Tetrahedron Letters, 2019, 60, 150955

  3.  B. Deka, R. Thakuria, M. L. Deb and P. K. Baruah, Monatshefte fur Chemie, 2018, 149, 2245–2252

  4.  R. Bai, R. Choudhary, P. Singh, R. Thakuria, M. C. Sharma, S. S. Badsara, Chemistry Select, 2018, 3(11), 3221-3224.

  5.  R. N. Rao, Balamurali M M, B. Maiti, R. Thakuria, and K. Chanda, ACS Comb. Sci., 2018, 20(3), 164-171.{IF = 3.168}

  6.  B. Deka, M. L. Deb, R. Thakuria and P. K. Baruah, Catalysis Communications, 2018, 106, 68–72. {IF = 3.33}

  7.  D. Choudhary, C. Agrawal, V. Khatri, R. Thakuria, A. K. Basak, Tetrahedron Letters, 2017, 58(12), 1132-1136. {IF = 2.347}

  8.  M. L. Deb, J. P. Borpatra, C. D. Pegu, R. Thakuria, P. J. Saikia and P. K. Baruah, Chemistry Select, 2017, 2(1), 140-146.


Semester 1
Paper CH102: Organic Chemistry
Unit 4: Stereochemistry
Paper CH107: Practical Organic Chemistry

Semester 2
Paper CH202: Organic Chemistry
Unit 4: Pericyclic Reactions
Semester 3
Paper CH301: Biochemistry
Unit 1 and Unit 2
Paper CH303: Foundations of Organic Synthesis
Unit 1: Dynamic Stereochemistry

Semester 4
Paper: Supramolecular Chemistry
Unit 1 and Unit 2


  •  Dr. Ranjit Thakuria's work on Crystal Growth & Design2019, 18 (11), pp 6640–6651 is highlighted in Emerging Scholar's VSI in ACS website. 
  • Invited as Guest Editor of Crystal Growth & Design for a virtual special issue on pi-pi stacking, 2019. 
  • Recognized among top 3 reviewer of Crystal Growth & Design, ACS by editor in chief, 2018. 
  • Recipient of DST Fast Track Research Scheme (2014-2017) under Department of Science and Technology, India.