Invited Lectures
 
31. Anion Binding Hosts and Their Potential Applications
Indian Institute of Technology Madras, Department of Chemistry, 15th March, 2011
30. Sulphate binding in a single molecule capsule
Humboldt Kolleg on “SELF ORGANISED CRITICALITY: Dynamics of complex systems"
during Feb. 2-5, 2011.
Indian Institute of Astrophysics, Bangalore, 3rd February
29. Anion assisted capsular assemblies
International Symposium on Facets of weak interactions in Chemistry, ISFWIC during 13-15th January, 2011 Calcutta University, 14th January, 2011
27. Selective sulphate receptors
International Symposium on Emerging Areas of Chemistry, ICEAC-2011 during 12-14th January, 2011 Tripura University, 12th January, 2011
28. A Few Challenging Problems
DST-INSPIRE Program, during December 20-24, 2010 Birla Institute of Technology -Mesra, Ranchi, 23rd Dec’ 2010
26. Molecular Machines & Motors
DST-INSPIRE Program, during December 20-24, 2010 Birla Institute of Technology-Mesra, Ranchi, 22nd Dec’ 2010
25.  Chemosensing of Mercury(II) in Solution
“Frontiers in Chemical Sciences” (FICS -2010) during December 3-4, 2010 Indian Institute of Technology Guwahati, 4th December, 2010
24. Molecular Capsules towards Aerial CO2 Fixation as Carbonate and Removal of Sulphate from Water
Golden Jubilee Chemistry Conference: Molecules, Supramolecules and Materials (MSM) during October 1-3, 2010 Indian Institute of Technology Kanpur, 3rd October, 2010
23. Supramolecular Chemistry: Basics to Chemical Sensors
 Refresher Course in Burdwan University, West Bengal, Delivered on 15th Sept, 2010
22. Anion Capturing Molecular Bowls and Capsules
Indian Institute of Technology Bombay, Mumbai, Dept. of Chemistry, 1st Sept, 2010.
21. Sequestration of CO2 as CO32- in a Molecular Capsule
Indian Association for the Cultivation of Science, Kolkata, 19th August, 2010
20. Anion Receptors and Their Potential Applications
The Annual Symposium (VIII) of the Chemical Research Society of India (Kolkata Chapter Bengal Engineering and Science University, Shibpur on August 6, 2010
19. Recognition of Anions in Molecular Cage, Cleft and Capsule
One day Symposium in the Department of Chemistry, Visva Bharati University, Santiniketan, 7th March, 2010.
18. Anion Recognition in Molecular Capsule
The Fourth CRSI/RSC joint Symposium in Chemistry at NIPER, Hyderabad on 4th February 2010
17.  Pentafluorophenyl Substituted   Receptors: A New Family for Anion Recognition
Discussion Meeting on Crystal Engineering and Noncovalent Interactions: Contemporary Themes and Futuristic Developments, Orange County, Coorg, 22-25 February 2009, delivered on 23rd February, 2009
16.  Coordination Chemistry of Anions and Sensing of Anions
Refresher Course in Jadavpur University, January 20, 2009.
15. Macrobicyclic and Tripodal Anion Receptors
International Symposium on Frontiers of Functional Materials (ISFFM): Calcutta University, 6th January, 2009
14. Coordination Chemistry of Halides
Modern Trends in Inorganic Chemistry (MTIC-XII) at Indian Institute of Technology Madras, during 6-8 December, 2007, delivered on 7th December, 2007
13. Supramolecular Chemistry: Basics to Chemical Sensors
 Ramakrishna Mission Vidyamandira, Belur Math, Howrah, Delivered on 17th November, 2007
12. Chemical Sensing of Ions and its Clinical Applications
Alexander von Humboldt Western Regional Humboldt Kolleg on “Nanotechnology Education, Science and Technology & Emerging Applications”, at Hotel Clarks, Jaipur, Rajasthan, delivered on 29th September, 2007
11. Investigations on halide encapsulation inside the cavity of polyammonium receptors through (N-H)+…halide interactions and beyond.
234th National Meeting of the American Chemical Society in Boston, USA, during 19-23 August 2007, delivered on 21st August 2007
10. Recognition and Optical Sensing of Anions: The Present and Future Perspectives
Indian Institute of Technology, Mumbai, 11th October, 2006
9. Supramolecular Complexes of Water and Cryptand: Relevant to Bound Water in Biological Systems Beyond Borders: Research in the 21st Century,
The Resort, Aska Beach, Madh Island, Mumbai, Organized by Humboldt Academy, Bombay on 21st February 2006
8. Novel Template Effect for the Preparation of [2] Rotaxanes with Functionalized Center Pieces: A Potential Molecular Shuttle
An Industry-Academia Meet on Advanced Materials, Bio-Sciences and Computer & Information Technology, Daman, Organized by Humboldt Club, Bombay in collaboration with Indo-German Chamber of Commerce & DAAD, New Delhi, delivered on 22nd February 2004
7.  Fluorescent Chemosensors for Transition Metal Ions: A Potential Molecular Device
Kekulé-Institute of Organic Chemistry and Biochemistry of the Rheinische Friedrich-Wilhelms Universität Bonn., Germany, delivered on 30th June 2003
6. Department of Organic Chemistry,
Indian Institute of Science, Bangalore, March 28, 2001
5. Cryptand-based New Materials and Micro-contact Printing based Lithography for Polymer and Cellular Patterning
Central Salt & Marine Chemicals Research Institute, Bhavnagar, 9th February, 2001
4. Controlling cell growth on plastic and metal surfaces using micro-contact printing
Department of Inorganic & Physical Chemistry, Indian Institute of Science, Bangalore, May 1st, 2000
3. Controlling cell growth on plastic and metal surfaces using micro-contact printing
218th ACS National Meeting, New Orleans, delivered on 24th August 1999
2. A Simple Lithographic Approach for Preparing Patterned, Micron-Scale Corrals for Controlling Cell Growth
217th ACS National Meeting, Anaheim, California, delivered on 22nd March 1999.
1. Functionalization of Heteroditopic Cryptands to make Smart molecules
85th Indian Science Congress Association, Hyderabad, India, in January 1998
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