1. Hierarchical Self-Organization of Rigid-Rod Molecules: From Tertiary beta-Barrel to Quarternary beta-Fibril Structures.

"Lipids and Biomembranes: New Technologies" October 2-5, 2002, Davos, Switzerland.

2. Practical Fluorimetric Sensing Applications of Rigid-Rod beta-Barrel Ion Channels.

Fall Meeting of the Swiss Chemical Society, October 17, 2002, Basel Switzerland.

3. Applications of Gaussian software

UGC refresher course on "Theoretical and Computational Chemistry", December 8-28, 2003,
Birla Institute of Technology and Science, Pilani, Rajasthan, India.

4. Fluorometric Detection of Enzyme Activity with Synthetic Supramolecular Artificial beta-Barrel

National Symposium on Chemistry at the Inorganic and Organic Interphase
December 6-7, 2004, IIT Guwahati, India.

5. Langmuir-Blodgett Films and Their Use in Molecular Electronics

QIP Short term course on "Semi-conducting organics as future generation electro-optical materials"
June 20-24, 2005, IIT Guwahati, India.

6. Photo-induced electron transfer (PET) sensors, switches and logic gates

QIP Short term course on "Semi-conducting organics as future generation electro-optical materials"
June 20-24, 2005, IIT Guwahati, India.

7. Natural and Synthetic Polycarboxylate as a Crystal Growth Modifier of Calcium and Barium Biominerals

Modern Trends in Inorganic Chemistry (MTIC-XI) December 8-10, 2005, IIT Delhi, India.

8. Biomineralization: Future of Inorganic Chemistry

Kalyani University, Kalyani, West Bengal, June 2006.

9. Luminescence Spectroscopy: Application in analytical chemistry

UGC refresher course on "Current Trends in Chemistry with special emphasis on Analytical Techniques" March 11-31, 2007.
Gauhati University, Guwahati, Assam, India.

10. Synthesis of Inorganic Mineral through Precursor Complexes

Discussion meeting on "Crystal Engineering and Noncovalent Interactions: Contemporary Themes and Futuristic Developments" February 22-25, 2009.
Orange County, Coorg, India.

11. Fluorescence Spectroscopy: Principle and Application

UGC sponsored course on "2nd Scholars Programme in Sciences (II)" March 25, 2009
Gauhati University, Guwahati, Assam, India.

12. X-ray Diffraction and NMR: An Ultimate Tool for Screening Bio-active Molecules

QIP Short term course on "Approaches To The Screening Of Bioactive Molecules From Natural Resources"
July 13-17, 2009, IIT Guwahati, India.

13. Peptide Drugs: Synthesis to Application

QIP Short term course on "Advances in Drug Discovery "
July 20-24, 2009, IIT Guwahati, India.

14. Fluorescence Spectroscopy and it's Application

10th Refresher Course on Chemistry, March 8, 2010
Gauhati University, Guwahati, Assam, India.

15. Biomineralization: The Nature's Architect

10th Refresher Course on Chemistry, March 8, 2010
Gauhati University, Guwahati, Assam, India.

16. Inorganic nanomaterials: towards fabrication of different strategic tools for biological and environmental application

3rd Asian Conference on Coordination Chemistry, October 17-20, 2011,
New Delhi, India.

17. Supramolecular Chemistry of Anion: Molecular Recognition and Self-Assembly in Tripodal Scaffolds

Frontier Areas of Research in Chemistry, October 24, 2011, Cotton College, Assam, India.

18. Oxidative Cyclization of Thiosemicarbazone: An Optical and Turn-on Fluorescent Chemodosimeter for Cu(II)

Emerging Trends in Chemical Sciences, March 30-31, 2012, Gauhati University, Assam, India.

19. Chemosensor for anions
Sensors and its Application, November 15, 2013, Institute of Advanced Study in Science and Technology, Assam, India.

20. Inorganic Nanomaterial Interfaces between Chemistry and Biology

QIP Short term course on "Molecular tools in Medical Biotechnology Investigations"
December 2-6, 2013, IIT Guwahati, India.

21. Selective Detection of Cations and Anions in Physiological Conditions and their Application in Biological Milieu

"Modern Trends in Inorganic Chemistry" (MTIC-XV)
December 13-16, 2013, IIT Roorkee, India.

22. Anion or Anion-water Assisted Capsular Assembly: A Journey from First to Second Generation Tripodal

Recent Trends in Fundamental and Applied Chemical Sciences (RTFACS-2014)
November 19-21, 2014, Dirugarh University, Assam, India.

23. Supramolecular Chemistry at Work: Chemosensor for Anions
National Seminar on “Recent Advances in Chemical Science and Application”
January 6-7, 2017, Department of Chemistry, Vidyasagar College for Women (VCFW), Kolkata.

24. Positional Isomeric Effect of Substituents on Supramolecular Anion-Assemblies of Diamine Based Urea Receptors
July 25, 2017, Department of Chemistry, IIT Guwahati, Assam, india.


1. ”Advanced Nanomaterials and Nanotechnology (ICANN-2009)" December 9-11, 2009, IIT Guwahati, India.
2. ”Advanced Nanomaterials and Nanotechnology (ICANN-2011)' December 8-10, 2011, IIT Guwahati, India.
3. “
3rd Asian Conference on Coordination Chemistry (ACCC-3)” October 17-20, 2011, India Habitat Centre, New Delhi, India.
4. ”Frontiers in Chemical Sciences (FICS)" December 2-3, 2012, IIT Guwahati, India.
5. ”Advanced Nanomaterials and Nanotechnology (ICANN-2013)" December 1-3, 2013, IIT Guwahati, India.
6. ”Frontiers in Chemical Sciences (FICS)" December 4-6, 2014, IIT Guwahati, India.
7. ”Modern Trends in Inorganic Chemistry" (MTIC-XVi) December 3-5, 2015, Jadavpur University, Kolkata, India.
8. ”Advanced Nanomaterials and Nanotechnology (ICANN-2015)" December 8-11, 2015, IIT Guwahati, India.
9. CHEMCON 2015 as "Chemical Engineering: From Laboratory to Industry" December 27-30, 2015, IIT Guwahati, India.
10. ”Recycle 2016: International Conference on Waste Management" April 1-2, 2016, IIT Guwahati, India.
11. ”Frontiers in Chemical Sciences (FICS)" December 8-10, 2016, IIT Guwahati, India.
12. "Reflux - 2017: Urbanising Rural India", March 24-26, 2017, IIT Guwahati, India.


1. Modern Trends in Inorganic Chemistry (MTIC- VII) held on December 4-6, 1997.

Department of Chemistry, Indian Institute of Technology, Kanpur, India.

2. 8th National Conference on Surfactants, Emulsions and Bio-Colloids (NATCOSEB-VIII) held on October 18-20,1997.

Sambalpur University, Orissa,India.

3. University Conference of Western Switzerland on "Metal Ions In Biological Systems" held on September 11-14, 2000

Champery, Switzerland.

4. Swiss National Chemical Society sponsored Workshop on the Supramolecular Functional Materials : Scientific Communication held on May 11, 2001.