Members
Present Past Peoples Details
Present Members
Dr. Pratik Sen
Principal Investigator
Department of Chemistry
Indian Institute of Technology Kanpur
Email: psen@iitk.ac.in
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Dr. Narayan Chandra Maity
Postdoc
PhD: S.N. Bose National Centre for Basic Science (2025)
Joining Date: November 2025
Email: narayanmaity8145@gmail.com | narayancm@iitk.ac.in
Tanmoy Khan
Fare fellow
Joining Date: 1st July 2025
Research Interest: Development of Non-Invasive Diagnostic Tool for the Early Detection of Systemic Amyloidosis.
Email: tanmoyk@iitk.ac.in, tanmoykhan97@gmail.com
Abhijit Dutta
Fare fellow
Joining Date: 14thJuly 2025
Research Interest: Ultrafast spectroscopy, Excited state relaxation dynamics, Solvation dynamics, Energy/Electron/Proton transfer
Email: dabhi@iitk.ac.in
Kuldeep S Negi
Fare fellow
Joining Date: 16th Aug. 2025
Research Interest: Protein behaviour in Osmolyte
Email: negiks@iitk.ac.in
Sandeep Yadav
PhD Student in collaboration with Prof. T. Tahara, RIKEN, Japan
Joining Date: July 2019
Fellowship: RIKEN International Fellowship
Research Interest: Protein conformational fluctuation dynamics.
Email: ysandeep@iitk.ac.in
M.Sc. chemistry, IIT kanpur
Suman Bhowmik
PhD Student
Joining Date: August, 2020
Fellowship: Fare fellowship
Research Interest: Ultrafast Spectroscopy.
Email: sbhowmik20@iitk.ac.in , sbhowmik996@gmail.com
M.Sc. Chemistry, NIT Jamshedpur
Bhupendra Singh
PhD Student
Joining Date: August, 2021
Fellowship: Prime Minister Research Fellowship (PMRF)
Research Interest: Exploring the role of biological water in enhancing protein stability within Macromolecular Crowding Milieu.
Email: bhupendras21@iitk.ac.in
BS-MS: IISER BHOPAL
Patralekha Sarkar
PhD Student
Joining Date: January 2022
Fellowship: Institute fellowship (GATE)
Research Interest: Ultrafast charge carrier dynamics and photocatalysis of lead halide perovskite nanocrystals.
Email: patralekha21@iitk.ac.in
M.Sc. Chemistry, Rajabazar Science College (University of Calcutta)
Dipankar Mondal
PhD Student
Joining Date: December 2023
Fellowship: Institute fellowship (GATE)
Research Interest: Ultrafast spectroscopy, Excited state relaxation process.
Email: dipankarm23@iitk.ac.in
M.Sc. Chemistry, Banaras Hindu University
Akash Rana
PhD Student
Joining Date: July 2024
Fellowship: Institute fellowship (GATE)
Research Interest: Single molecular biophysics, Protein stability and activity.
Email: akashrana24@iitk.ac.in
M.Sc. Chemistry, Vidyasagar University
Harshit Karnwal
PhD Student
Joining Date: July 2024
Fellowship: Institute fellowship (GATE)
Research Interest: Exploring the structure, Functional and dynamics behaviour of proteins in the presence of Macromolecular Crowders and Osmolytes.
Email: harshk24@iitk.ac.in
M.Sc. Chemistry, Gurukula Kangri Vishwavidyalaya Haridwar
Himanshu Singh
PhD Student
Joining Date: July 2024
Fellowship: CSIR-NET JRF
Research Interest: Perovskite nanocrystal synthesis, Ultrafast charge carrier dynamics of Perovskite nanocrystals.
Email: himanshub24@iitk.ac.in
Integrated Masters of Science in Chemistry (5years) from NIT Patna.
Subhajit Rana
PhD Student
Joining Date: June 2025
Research Interest: Improvement of Fluorescence (delayed) efficiency using Organic materials.
Email: subhajitr25@iitk.ac.in , subhajitrana2108@gmail.com
M.Sc. chemistry, IIT Kanpur
Dibyendu Paramanik
PhD Student
Joining Date: Jan. 2026
Fellowship: Gate Fellowship
Research Interest: Ultrafast spectroscopy, role of vibrations in modulating excited state processes in molecules
Email: dibyendup25@iitk.ac.in
M.Sc. Chemistry, IIT Hyderabad
Suvo Dey
Current Status: Pursuing M.Sc. in Chemistry, IIT Kanpur
Title: Ultrafast spectroscopy of organic fluorophore
Email: suvodey24@iitk.ac.in
Tathagata De
Current Status: Pursuing M.Sc. in Chemistry, IIT Kanpur
Title: Synergistic behaviour in Water Formamide Binary Mixture
Email: tathagatad24@iitk.ac.in
Kartik Samanta
Current Status: Pursuing M.Sc. in Chemistry, IIT Kanpur
Title: Phase Separation of Lysozyme: Quantitative Mapping of Concentration, Salt, and Crowding Effects on LLPS and Enzymatic Activity
Email: kartiks24@iitk.ac.in
Past Postdoc
Dr. Serajul Haque Faizi
Email: faizichemiitg@gmail.com
Duration: March 2013 to March 2014
Research Interests: Synthesis and Characterization of Fluorescent Active Compounds and Metal Complexes for Ultrafast Spectroscopic Studies.
Present Afficilation: Assistant Professor, Department of Chemistry, Langat Singh College, B. R. A Bihar University, India
Dr. Vijaykant Khorwal
Email: vijaykant.iitb@gmail.com
Duration: July 2016 to June 2018
Research Interests: Mechanistic Understanding of Perovskite Solar Cells.
PhD From: IIT Bombay, Mumbay
Present Afficilation: Assistant Professor, Lovely Professional University
Dr. Gulab Singh Maurya
Email: gulabsmaurya@gmail.com
Duration: September 2018 to August 2021
Research Interests: Laser Induced Breakdown Spectroscopy.
PhD From: University of Allahabad, Uttar Pradesh.
M.Sc. From: IIT Guwahati, Guwahati.
Present Afficilation: Assistant Professor, Department of Physics, Nehru Gram Bharati (Deemed to be University), Jamunipur, Prayagraj, Uttar Pradesh 221505
Dr. Ejaj Tarif
Email: tarifejaj@gmail.com
Duration: 1st Oct 2020 to 28th Dec 2022
Research Interest: Dynamic of deep eutectic solvent.
PhD From: S.N. Bose National Centre for Basic Science.
Present Afficilation: Assistant Professor, GLA University, Mathura
Dr. Ishfaq Rather
Email: ishfaqratherir@gmail.com
Duration: 20th Dec 2023 to 30th April 2024
Research Interest: Ultrafast intersystem crossing.
Present Afficilation: Jawaharlal Nehru University
Dr. Ndege Simisi Clovis
Email: ndgclo@gmail.com
Duration: 1st April 2023- 31st March 2025
Research Interests: Heterogeneity in Synergistic Solvent Mixture.
Present Afficilation: N.A
Past Ph.D.
Rajeev Yadav
Email: rajeevy15@gmail.com
Duration: Dec 2008 to Sep 2014
Thesis Title: Domain Specific Interactions, Unfolding and Ultrafast Dynamics of Human and Bovine Serum Albumin: A Bulk and Single Molecular Level Study.
Afficilation: Post Doctoral Fellow, Michigan State University, USA
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Shahnawaz Rafiq Rather
Email: shahcmt2009@gmail.com
Duration: July 2009 to Jan 2014
Thesis Title: Ultrafast Excited State Twisting Dynamics of Molecular Systems in Condensed Phase.
Afficilation: Post Doctoral Fellow, Princeton University, USA
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Shradhey Gupta
Email: shradhey84@gmail.com
Duration: July 2009 to Feb 2015
Thesis Title: Spectroscopic Investigation of Alcohol-Chlorinated Methane Synergistic Binary Solvent Mixtures and its Application.
Afficilation: Post Doctoral Fellow, Sagar University, India
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Bhaswati Sengupta
Email: bhaswati1487@gmail.com
Duration: Dec 2011 to Mar 2018
Thesis Title: Single Molecular Level Study of Proteins: Insights from Conformational Fluctuation Dynamics and Structural Parameters.
Afficilation: Post Doctoral Fellow, Pennsylvania State University, USA
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Puspal Mukherjee
Email: puspalchem@gmail.com
Duration: July 2012 to July 2018
Thesis Title: Modulation of Ultrafast Excited State Dynamics in SDS Micelle.
Afficilation: Assistant Prof. Netaji Subhas University Kolkata, India
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Vaisakh Mohan K.
Email: vaisakhmohank@gmail.com
Duration: July 2012 to April 2019
Thesis Title: Picosecond Hydration Dynamics at the Protein Core and the Effect of Perturbed Environment.
Afficilation: Assistant Prof. St. Joseph's College, Kerala, India
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Vipin Kumar Jain
Email: vipin.jain940@gmail.com
Duration: Dec 2012 to Feb 2021
Thesis Title: Colorimetric and Fluorescent Chemosensors for Selective Detection of Biologically and Environmentally Important Metal Ions at PPM Level.
Afficilation: NA
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Navin Subba
Email: navins@iitk.ac.in
Duration: July 2014 to July 2021
Thesis Title: Time-Resolved Spectroscopic Investigation of Structure and Dynamics of Deep Eutectic Solvents.
Afficilation: Post Doctoral Fellow, Humboldt University Berlin, Germany
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Aritra Das
Email: aritra1992das@gmail.com
Duration: July 2015-March 2022
Thesis Title: Modulation of Excited State Processes inside Octa Acid Cavity.
Affiliation: Department of Chemistry, University of Minnesota with Prof. Renee R. Frontiera.
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Nilimesh Das
Email: nilimeshchem@gmail.com
Duration: July 2015-June 2022
Thesis Title: Mechanistic insight of protein behaviour in Crowded Milieu and New Methodologies to interrogate spatial and dynamic heterogeneity.
Affiliation: Postdoc in Harvard University with Prof. Sua Myong
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Shovon Chatterjee
Email: chatterjee.shovon147@gmail.com
Duration: July 2016-january 2023
Thesis Title: Towards sustainable halide perovskite nanocrystals: Doping and solvent engineering
Affiliation: National Postdoctoral Fellow, ICT Bhubaneswar
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Arghya Sen
Email: arghyasen10@gmail.com
Duration: May 2019- Dec 2024
Thesis Title: Mechanistic investigation on photostability of colloidal 2D perovskite nanoplate against UV Irradiation and Potential Remedies.
Present Affiliation: Alexander von Humboldt Fellow in Institute of Physics, University of Rostock with Prof. Christian Klinke.
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Tanmoy Khan
Email: tanmoykhan97@gmail.com
Duration: 2019-2026
Thesis Title: Development of Non-Invasive Diagnostic Tool for the Early Detection of Systemic Amyloidosis.
Afficilation: National Postdoctoral Fellow, IIT KANPUR
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Abhijit Dutta
Email: dabhi@iitk.ac.in
Duration: 2019-2026
Thesis Title: Ultrafast Intersystem Crossing in Heavy atom-Free Molecules: Effect of Polarity, Viscosity, Hydrogen Bonding and Confinement.
Afficilation: National Postdoctoral Fellow, IIT KANPUR
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Kuldeep Singh Negi
Email: 1negikudeep1994@gmail.com
Duration: 2019-2026
Thesis Title: Deciphering Osmolyte-Protein Interaction through Associated Water Stabilization Mechanism.
Afficilation: National Postdoctoral Fellow, IIT KANPUR
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Past Msc
Name of Student: Shyamashis Das
Title: Site Dependent Protein Surfactant Interaction: A Spectroscopic and Molecular Docking Study.
Current Status: Completed (April 2011)
Co-Supervisor: Nil
Present affiliation: Ph.D. Student, I.I.Sc. Bangalore, India
Name of Student: Ritwik Hazra
Title: Contemplating Heterogeneity Through Spectroscopic Approach.
Current Status: Completed (2020)
Co-supervisor: Nil
Present affiliation: PhD student at IIT Kharagpur
Name of Student: Soumen Ghosh
Title: Synthesis and Spectroscopic Studies of Ferrocene-(π-bridge)-Acceptor Systems.
Current Status: Completed (April 2011)
Co-Supervisor: Dr. Ramesh Ramapanicker
Present affiliation: Pursuing PhD at IIT Kanpur
Name of Student: Mainak Kundu
Title: Spectroscopic Investigation of Synergistic Chloroform-Methanol Binary Mixture.
Current Status: Completed (April 2011)
Co-Supervisor: Nil
Present affiliation: Ph.D. Student, Ohio State University, USA
Name of Student: Arghya Chakraborty
Title: Exploring Marcus Inverted Region in Binary Solvent Mixtures
Current Status: Completed (April 2011)
Co-Supervisor: Prof. Debabrata Goswami
Present affiliation:
Name of Student: Nirmal Das
Title: Synthesis and Binding Characteristics of Coelenteazine Derivative with Bovine Serum Albumin.
Current Status: Completed (April 2012)
Co-Supervisor: Prof. Sabyasachi Sarkar
Present affiliation:
Name of Student: Sharmistha Karmakar
Title: Mechanistic Investigation of Binding of Coumarin 152 with Human Serum Albumin: A Temperature Dependent Fluorescence Spectroscopic Approach.
Current Status: Completed (April 2012)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Snigdha Ghosh
Title: Determination of Orientation Parameters by Surface Second Order Non-Linear Spectroscopy.
Current Status: Completed (April 2012)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Ankur Jhaveri
Title: Development of Surface Second Harmonic Generation Spectrometer to Study the Adsorption of Malachite Green at the Air/Water Interface.
Current Status: Completed (April 2013)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Ashish Jindal
Title: Setting-up a Surface Second Harmonic Generation Spectrometer to Study the Adsorption of Paranitroaniline at the Air/Water Interface.
Current Status: Completed (April 2013)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Barun Kumar Maity
Title: Spectroscopy Study of 1-dimethoxymethy-9H-pyrido(3,4-b)indol-3-yl- methanol: A new pH Indicator.
Current Status: Completed (April 2013)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Sayoni Ray
Title: Spectroscopic Investigation of DMF/Chloroform Binary Solvent Mixture.
Current Status: Completed (April 2013)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Shubhrangshu Pandit
Title: Spectroscopic Investigation of a Potential Anticancer Drug with Human Serum Albumin.
Current Status: Completed (April 2013)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Santosh Kumar
Title: Effect of Double Denaturation in a Multi-domain Protein
Current Status: Completed (April 2014)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Indrani Banerjee
Title: Mechanistic Investigation of the Domain Specific Stabilization of Human Serum Albumin by Different Sugar Molecules.
Current Status: Completed (April 2014)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Anurag Kumar
Title: Design and Control of a Setup for Data Acquisition in Laser Flash Photolysis using LabVIEW.
Current Status: Completed (April 2015)
Co-Supervisor: Nil
Present affiliation:
Name of Student: Arusha Acharyya
Title: Elucidating Domain Specific Double Denaturation of Human Serum Albumin by a New Blue Fluorescent Protein Tag.
Co-Supervisor: Nil
Present affiliation: Ph.D. Student, University of Pennsylvania, USA
Name of Student: Kuntal Debnath
Title: Optical Sensing of Aprotic Solvents through Acidic Proton Removal from Azobenzene Derivative.
Present affiliation: Texas A&M University, Graduate student
Email: kuntald24@tamu.edu
Name of Student: Somnath Biswas
Title: Real Time Quantification of Ultrafast Photo-induced Bi-molecular Electron Transfer Rate: Direct Probing of the Transient Intermediate.
Current Status: Completed (April 2015)
Co-Supervisor: Nil
Present affiliation: Ph.D. Student, Ohio State University, USA
Name of Student: Apala Chaudhuri
Title: Investigation of the Active-Site Dynamics of Papain: An Ultrafast and Single Molecule Spectroscopic Study.
Current Status: Completed (April 2016)
Co-Supervisor: Nil
Present affiliation: Ph.D. Student, Yale University, USA
Name of Student: Nishith Maity
Title: A Molecular Level Investigation of Synergistic solvation Characteristics of water- N,N-Dimethylformamide Binary Solvent System.
Current Status: Completed (April 2017)
Co-Supervisor: Nil
Present affiliation: Ph.D. Student, Iowa State University, USA
Name of Student: Sukanta Shil
Title: Dynamics and Structural Parameter of Protein in a Cell-mimic: Ultrafast and Single Molecular Level Investigation of Domain-III of HSA.
Current Status: Completed (April 2017)
Co-Supervisor: Nil
Present affiliation: ONGC, India
Name of Student: Shakil Ahammad Chowdhury
Title: Triplet-Triplet Annihilation Governed Photon Up-conversion in Carbon Quantum Dots Derived from Vitamin-C.
Current Status: Completed (April 2018)
Co-Supervisor: Nil
Present affiliation: N/A
Name of Student: Pratyush Ghosh
Title: Probing diastereomerism of ultrafast excited state proton transfer in the adiabatic regime.
Current Status: Completed (April 2019)
Co-Supervisor: Nil
Present affiliation: PhD Cambridge University, UK
Name of Student: Sandeep Yadav
Title: Structural, Dynamical and functional Response of a Plant Enzyme, Bromelain in GnHCl and Ficoll-70.
Current Status: Completed (April 2019)
Co-Supervisor: Nil
Present affiliation: PhD student, IIT Kanpur
Name of Student: Mainak Ghosal
Title: Detailed charge carrier dynamics and monovalent cation induced increment in quantum yield in mixed Lead-Bismuth perovskite nanocrystal.
Current Status: PhD student, IISER KOLKATA
Co-supervisor: NA
Emai: NA
Name of Student: Ambika Prasad Kar
Title: Structural insight into DES from Vibrational (IR & Raman) Analysis.
Current Status: completed (2021)
Present affiliation: PhD student, IIT DELHI
Co-supervisor: N/A
Emai: NA
Name of Student: Bisal Halder
Title: Tracking heterogenous protein aggregation at nanoscale through fluorescence correlation spectroscopy.
Current Status: completed (2022)
Present affiliation: PhD student, University of Michigan
Co-supervisor: N/A
Emai: bisalhalder2000@gmail.com
Name of Student: Soumya Chaudhary
Title: Spectroscopical investigation of binary solvent mixture, Study in protein dynamics in alternative media.
Current Status: completed (2024)
Present affiliation: Graduate research assistant (Yo Lu lab) at University of Texas at Austin
Emai: soumyachaudhury@utexas.edu
Name of Student: Kuntal Debnath
Title: Spectroscopical investigation of binary solvent mixture, Study in protein dynamics in alternative media.
Current Status: completed (2024)
Present affiliation: Texas A&M University, Graduate student
Co-supervisor: N/A
Emai: kuntald24@tamu.edu
Swagata Bhowmick
Title: Molecular heterogeneity of crowder solution.
Current Status: Completed (2025)
Present affiliation: Graduate Student, University of Illinois Urbana-Champaign
Email: swagatab23@iitk.ac.in
Past Project/Students/Employee
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