आईआईटीएम
IITM

भारतीय उष्णदेशीय मौसम विज्ञान संस्थान
Indian Institute of Tropical Meteorology

पृथ्वी विज्ञान मंत्रालय, भारत सरकार का एक स्वायत्त संस्थान An Autonomous Institute of the
Ministry of Earth Sciences, Govt. of India

Sno Name Designation Area of Expertise Contact No Email
1 Dr. R. Krishnan Director Climate Modelling and Analysis :
- Global Climate Change & Variability
- Climate dynamics pertaining to the Indian region
- Dynamics & Variability of the Indian / Asian monsoon
- Global & monsoon hydrological cycle changes
 +91-(0)20-25904201 krish[at]tropmet[dot]res[dot]in
2 Dr. Suryachandra A. Rao Scientist G Climate Variability and Prediction +91-(0)20-25904245 surya[at]tropmet[dot]res[dot]in
3 Dr. C. Gnanaseelan Scientist G Climate Variability, Decadal Prediction, Ocean Modelling +91-(0)20-25904271 seelan[at]tropmet[dot]res[dot]in
4 Dr. Sunil D. Pawar Scientist G Atmospheric Electricity +91-(0)20-25904284 pawar[at]tropmet[dot]res[dot]in
5 Dr.(Smt.) Thara Prabhakaran Scientist G Cloud microphysics +91-(0)20-25904371 thara[at]tropmet[dot]res[dot]in
6 Dr. G. Pandithurai Scientist G Atmospheric Aerosol-cloud-precipitation interactions; Radar remote sensing; Atmospheric Radiation +91-(0)20-25904251 pandit[at]tropmet[dot]res[dot]in
7 Dr. Anupam Hazra Scientist G Cloud microphysics +91-(0)20-25904475 hazra[at]tropmet[dot]res[dot]in
8 Dr. J. Sanjay Scientist F Regional Climate Modelling +91-(0)20-25904301 sanjay[at]tropmet[dot]res[dot]in
9 Shri. V. Gopalkrishnan Scientist F Atmospheric Electricity +91-(0)20-25904283 gopal[at]tropmet[dot]res[dot]in
10 Dr.(Smt.) S. Fadnavis Scientist F Atmospheric Chemistry and Dynamics +91-(0)20-25904542 suvarna[at]tropmet[dot]res[dot]in
11 Dr. Vinu K. Valsala Scientist F Ocean General Circulation Models +91-(0)20-25904509 valsala[at]tropmet[dot]res[dot]in
12 Dr. Ramesh K. Vellore Scientist F Atmospheric dynamics, global & regional modeling +91-(0)20-25904544 rameshv[at]tropmet[dot]res[dot]in
13 Dr. Subodh Kumar Saha Scientist F Land surface process studies +91-(0)20-25904422 subodh[at]tropmet[dot]res[dot]in
14 Dr.(Smt.) B. Padma Kumari Scientist F Aerosol-Cloud- Radiation interactions +91-(0)20-25904259 padma[at]tropmet[dot]res[dot]in
15 Shri. P. Murugavel Scientist F Atmospheric Electricity +91-(0)20-25904463 pmvelu[at]tropmet[dot]res[dot]in
16 Dr. H. S. Chaudhari Scientist F Climate Modelling +91-(0)20-25904374 hemantkumar[at]tropmet[dot]res[dot]in
17 Dr. Devendraa Siingh Scientist F Atmospheric Electricity +91-(0)20-25904287 devendraasiingh[at]tropmet[dot]res[dot]in
18 Dr. Anoop S. Mahajan Scientist F Atmospheric chemistry +91-(0)20-25904526 anoop[at]tropmet[dot]res[dot]in
19 Dr. Sachin Dinkar Ghude Scientist F Aerosol studies, Trace gas measurement +91-(0)20-25904494 sachinghude[at]tropmet[dot]res[dot]in
20 Dr. Shivsai Ajit Dixit Scientist F Experimental and Numerical Fluid Dynamics +91-(0)20-25904242 sadixit[at]tropmet[dot]res[dot]in
21 Dr.(Smt.) Susmitha Joseph Scientist F Monsoon Variability and Predictability, S2S Prediction, Prediction of Extreme Weather Events +91-(0)20-25904521 susmitha[at]tropmet[dot]res[dot]in
22 Dr. Madhu Chandra R. Kalapureddy Scientist F Remote sensing in Atmosphere, Cloud & Precipitation studies +91-(0)20-25904482 kalapureddymcr[at]gmail[dot]com
23 Dr.(Smt.) Swapna Panickal Scientist F Climate Change Research and Earth System Modeling +91-(0)20-25904538 swapna[at]tropmet[dot]res[dot]in
24 Dr. Roxy Mathew Koll Scientist F Ocean atmosphere dynamics & interaction +91-(0)20-25904543 roxy[at]tropmet[dot]res[dot]in
25 Dr. Anant B. Parekh Scientist F Climate Variability, Physics Ocean and Atmosphere, Remote Sensing of Ocean +91-(0)20-25904264 anant[at]tropmet[dot]res[dot]in
26 Dr. G. S. Meena Scientist F Atmospheric Minor Constituents +91-(0)20-25904269 gsm[at]tropmet[dot]res[dot]in
27 Smt. Shompa Das Scientist F To be updated +91-(0)20-25904311 shompa[at]tropmet[dot]res[dot]in
28 Dr. Hamza Varikoden Scientist F Monsoon Variability, Climate Change & its Dynamics +91-(0)20-25904839 hamza[at]tropmet[dot]res[dot]in
29 Dr. Sachin M. Deshpande Scientist F My research focuses on understanding the structure, evolution and physical processes of convective clouds and their organization using remote sensing observations (e.g., radar and satellite). +91-(0)20-25904234 sachinmd[at]tropmet[dot]res[dot]in
30 Dr.(Smt.) Preethi Bhaskar Scientist F Monsoon Variability and Teleconnections (020) 25904537 (Office) preethi[at]tropmet[dot]res[dot]in
31 Dr. Ramesh Kumar Yadav Scientist F Seasonal Forecasting +91-(0)20-25904361 yadav[at]tropmet[dot]res[dot]in
32 Dr. Samir Pokhrel Scientist F Monsoon coupled ocean-atmosphere dynamics 91 (020) 25904307 (Office) samir[at]tropmet[dot]res[dot]in
33 Dr. Bipin Kumar Scientist F Cloud-microphysics, Parallel Algorithms, Direct Numerical Simulation (DNS), Data Analysis and AI/ML algorithms +91-(0)20-25904522 bipink[at]tropmet[dot]res[dot]in
34 Dr. Kaustav Chakravarty Scientist F Doppler Weather Radar Meteorology, Remote Sensing and Severe weather events +91-(0)20-25904481 kaustav [at] tropmet[dot]res[dot]in
35 Dr. Yogesh K. Tiwari Scientist F Biogeochemistry of the regional and global carbon cycle, Atmospheric Greenhouse gases (GHG) observations and modeling, Development of regional observing systems for long-lived biogeochemical trace gases., To investigate the GHGs transport mechanisms pertaining to the Indian subcontinent, To understand the rationale behind the seasonality of GHGs concentrations (e.g., CO2 and CH4) using observational and modeling tools over India +91-(0)20-25904539 yktiwari[at]tropmet[dot]res[dot]in
36 Dr. Subrata Kumar Das Scientist F Mesoscale Meteorology, Doppler weather radar and lidar remote sensing +91-(0)20-25904480 subrata[at]tropmet[dot]res[dot]in
37 Dr. Jasti S. Chowdary Scientist F Air-sea interactions, Monsoon Variability and Predictability +91-(0)20-25904273 jasti[at]tropmet[dot]res[dot]in
38 Shri. Shaik Mohammad Jeelani Scientist E To be updated +91-(0)20-25904213 jeelani[at]tropmet[dot]res[dot]in
39 Dr. Sreenivas Pentakota Scientist E Data Assimilation
Indian Ocean Dynamics
Ocean Modeling
Tropical Cyclones
Monsoon Prediction		 +91-(0)20-25904303 sreenivas[at]tropmet[dot]res[dot]in
40 Dr. Saikat Sengupta Scientist E Isotope Geochemistry, Hydrogeology 91 (020) 25904427 saikat[at]tropmet[dot]res[dot]in
41 Dr. Prasanth A. Pillai Scientist E Indian summer monsoon variability, Indian summer monsoon and its interaction with tropical Oceans, Seasonal Prediction of Indian summer monsoon, Prediction of weather and Climate extremes over India +91-(0)20-25904304 prasanth[at]tropmet[dot]res[dot]in
42 Dr. Naveen Gandhi Scientist E Paleoclimatology +91-(0)20-25904360 naveen[at]tropmet[dot]res[dot]in
43 Dr. Rajib Chattopadhyay Scientist E Monsoon Seasonal Prediction +91-(0)20-25904523 rajib[at]tropmet[dot]res[dot]in
44 Dr. Abhilash S. Panicker Scientist E Aerosols-radiative and cloud interaction studies +91-(0)20-25904255 panicker[at]tropmet[dot]res[dot]in
45 Shri. Mahesh Nilkantha Dharua Scientist E To be updated +91-(0)20-25904507 nilakantha[at]tropmet[dot]res[dot]in
46 Dr. Phani Murali Krishna Scientist E Atmospheric modelling, HPC Computing +91-(0)20-25904213 rphani[at]tropmet[dot]res[dot]in
47 Dr. Sabin Thazhe Purayil Scientist E Climate change research, High-Resolution climate modeling and Paleo climate modeling +91-(0)20-25904808 sabin[at]tropmet[dot]res[dot]in
48 Dr.(Smt.) Amita Prabhu Scientist E Monsoon variability and predictability, Satellite Meteorology +91-(0)20-25904240 amitaprabhu[at]tropmet[dot]res[dot]in
49 Shri. Prem Singh Scientist E Ocean Modelling and Simulation Studies +91-(0)20-25904279 psg[at]tropmet[dot]res[dot]in
50 Dr.(Smt.) R. Latha Scientist E Atmospheric boundary layer dynamics & pollution +91-(0)20-25904261 latha[at]tropmet[dot]res[dot]in
51 Dr. Deen Mani Lal Scientist E Atmospheric electricity, Lightning, Cloud microphysics, Aerosol +91-(0)20-25904478 dmlal[at]tropmet[dot]res[dot]in
52 Shri. Ravindra M Bankar Scientist E Project Management of Data Center, Fire fighting, HVAC, Lifts, Solar water heating system, water management and workshop etc. +91-(0)20-25904549 ravindra[at]tropmet[dot]res[dot]in
53 Shri. Anupam Kumar Saxena Scientist E To be updated +91-(0)20-25904335 anupam[at]tropmet[dot]res[dot]in
54 Dr. Medha S. Deshpande Scientist E Tropical cyclones, global and regional numerical weather prediction and verification of predictions +91-(0)20-25904458 medha_d[at]tropmet[dot]res[dot]in
55 Dr. Sooraj K. P. Scientist E Climate Change and its impacts on Asian Monsoon; Tropical Teleconnections; Climate studies using coupled models and observations +91-(0)20-25904504 sooraj[at]tropmet[dot]res[dot]in
56 Dr. Mahen Konwar Scientist E Cloud and Rain microphysics 91 (020) 25893489 (Office) mkonwar[at]tropmet[dot]res[dot]in
57 Dr. Siddharth Kumar Scientist E Radiative Transfer, Atmospheric Convection, Numerical Weather Prediction, Data Science +91-(0)20-25904479 siddharth[dot]cat[at]tropmet[dot]res[dot]in
58 Shri. T.R. Libin Scientist E Atmospheric Instrumentation; Unmanned Aerial Systems To be updated libin[at]tropmet[dot]res[dot]in
59 Shri. M. Mahakur Scientist E Satellite Meteorology +91-(0)20-25904225 mmahakur[at]tropmet[dot]res[dot]in
60 Dr. Jnanesh S. P. Scientist E Electrical and Electronics Engineering, Atmospheric Electricity, Lightning. +91-(0)20-25904355 jnanesh[at]tropmet[dot]res[dot]in
61 Dr. Atul Kumar Srivastava Scientist E Atmospheric aerosols and their direct and indirect impacts +91-(0)11-28743976 atul[at]tropmet[dot]res[dot]in
62 Shri. Sunil Manohar Sonbawne Scientist E To be updated +91-(0)20-25904431 sunil[at]tropmet[dot]res[dot]in
63 Dr. P Rahul Chand Reddy Scientist E To be updated +91-(0)20-25904274 rcreddy[at]tropmet[dot]res[dot]in
64 Dr. Mohommad Iqbal Rasul Tinmaker Scientist E Lightning activity over Indian subcontinent (020) 25904467 (O) iqbal[at]tropmet[dot]res[dot]in
65 Smt. Anika Arora Scientist E Tropical Variability, Ocean-atmosphere feedbacks +91-(0)20-25904514 anika[dot]cat[at]tropmet[dot]res[dot]in
66 Dr. Ayantika Dey Choudhury Scientist E Dynamics and Variability of South Asian Monsoon, Aerosols and Climate Change, Earth System Modeling, Heavy precipitating systems +91-(0)20-25904541 ayantika[at]tropmet[dot]res[dot]in
67 Dr. Somaru Ram Scientist E Dendroclimatology +91-(0)20-25904356 somaru[at]tropmet[dot]res[dot]in
68 Dr. Bhupendra Bahadur Singh Scientist E Moisture in the Earth system, Climate science, Monsoon +91-(0)20-259041533 bhupendra[dot]cat[at]tropmet[dot]res[dot]in
69 Dr. Abhay SD Rajput Scientist E Science Communication, Scientific Writing, Science Journalism, IPRs, Research and Publication Ethics +91-(0)20-25904472 abhaysdr[at]tropmet[dot]res[dot]in
70 Dr. H. Narendra Singh Scientist E Climate variability & Climate Change +91-(0)20-25904532 (O) narendra[at]tropmet[dot]res[dot]in
71 Shri. Balaji B. Scientist E Data Assimilation System for ROMS ocean model 91 (020) 25893600 (Office) balaji[dot]cat[at]tropmet[dot]res[dot]in
72 Ms. MERCY VARGHESE Scientist E Aerosol – Cloud Interaction +91-(0)20-25904342 mercy[dot]cat[at]tropmet[dot]res[dot]in
73 Shri. Sanjoy Kumar Saha Scientist E To be updated +91-(0)20-25904249 saha[at]tropmet[dot]res[dot]in
74 Dr.(Smt.) Leena P P Scientist E Cloud physics and Atmospheric dynamics 020-25904256 leena[at]tropmet[dot]res[dot]in
75 Dr. Y. JAYA RAO Scientist D To be updated To be updated To be updated
76 Dr. Thiyagesan Dharmaraj Scientist D Instrumentation and Remote Sensing of ABL +91-(0)20-25904372 dharam[at]tropmet[dot]res[dot]in
77 Dr.(Smt.) Sujata Kalyan Mandke Scientist D Monsoon variability +91-(0)20-25904508 amin[at]tropmet[dot]res[dot]in
78 Dr. Dandi A. Ramu Scientist D Indian Monsoon variability and its teleconnections (Like ENSO, ENSO MODOKI, IOD) +91-(0)20-25904437 daramu [at]tropmet[dot]res[dot]in
79 Dr. Vijay Pottapinjara Scientist D Indian Summer Monsoon and its Teleconnections; Variability of Indian Ocean; Ocean Modelling 040-23886125 vijayp[at]tropmet[dot]res[dot]in, vijay[dot]p[at]incois[dot]gov[dot]in
80 Dr. Malay Ganai Scientist D Indian summer monsoon variability, short-range forecast, GFS model +91-(0)20-25904226 malay[dot]cat[at]tropmet[dot]res[dot]in
81 Dr. Sudarsan Bera Scientist D Cloud Physics +91-(0)20-25904236 sbera[dot]cat[at]tropmet[dot]res[dot]in
82 Dr. Vivek Singh Scientist D Tropical cyclone modelling, Aerosol characteristics over Indo-Gangetic Basin. +91-(0)11-28743976 vivek[dot]singh[at]tropmet[dot]res[dot]in
83 Dr. Sandeep Narayanasetti Scientist D Earth System Modeling and Research +91-(0)20-25904817 sandeep[dot]cat[at]tropmet[dot]res[dot]in
84 Dr. Maheswar Pradhan Scientist D Turbulent flux parameterization in coupled models, Observing system experiments using coupled models, Tropical variability and seasonal prediction (020) 25904306 maheswar[at]tropmet[dot]res[dot]in
85 Dr. Ankur Srivastava Scientist D Monsoons and their predictability +91-(0)20-25904457 ankur[at]tropmet[dot]res[dot]in
86 Mr. Mriganka Sekhar Biswas Scientist D Atmospheric chemistry +91-(0)20-25904843 mriganka[dot]cat[at]tropmet[dot]res[dot]in
87 Smt. Renu Subrata Das Scientist D Atmospheric modelling and Dynamic meteorology, Numerical Weather Prediction, Synoptic Meteorology +91-(0)20-25904373 renu[at]tropmet[dot]res[dot]in
88 Mr. Srinivasu Upparapalli Scientist D Sea level variability, Sea level rise, Coastal Altimetry, Set up and Evaluation of operational numerical ocean models. 9032325438 srinivasu[dot]u[at]tropmet[dot]res[dot]in
89 Mr. Tanmoy Goswami Scientist D Cloud radiation interaction, Atmospheric modelling, Indian summer monsoon extreme rainfall events. +91-(0)20-25904825 tanmoy[dot]cat[at]tropmet[dot]res[dot]in
90 Smt. Archana Rai Scientist D Land surface processes +91-(0)20-25904222 archanarai[dot]cat[at]tropmet[dot]res[dot]in
91 Ms. Snehlata Tirkey Scientist D Monsoon variability and its predictability +91-(0)20-25904455 snehlata[dot]cat[at]tropmet[dot]res[dot]in
92 Dr. Rashmi Arun Kakatkar Scientist D Climate variability, ENSO variability +91-(0)20-25904239 rashmi[dot]cat[at]tropmet[dot]res[dot]in
93 Dr. Raju Mandal Scientist D Prediction of Extreme events over India in Extended Range, Health impacts of extreme weather events, Variability and predictability of Indian Summer Monsoon +91-(0)20-25904511 raju[dot]cat[at]tropmet[dot]res[dot]in
94 Dr. Avijit Dey Scientist D Intra-seasonal variability of Indian summer monsoon (020) 25904546 (O) avijit[at]tropmet[dot]res[dot]in
95 Dr. Chaitri Roy Scientist D Atmospheric Chemistry, Upper troposphere & lower stratosphere (UTLS) +91-(0)20-25904830 chaitri[dot]cat[at]tropmet[dot]res[dot]in
96 Dr. Shikha Singh Scientist D Ocean Modeling +91-(0)20-25904518 shikha[at]tropmet[dot]res[dot]in
97 Dr. Sahadat Sarkar Scientist D Numerical Modelling, Atmospheric Scale Interaction, Monsoon Variability +91-(0)20-25904495 sahadat[dot]cat[at]tropmet[dot]res[dot]in
98 Dr.(Smt.) Deepa J. S. Scientist D Sea level variability, Indian Ocean climate variability +91-(0)20-25904230 deepa[dot]cat[at]tropmet[dot]res[dot]in
99 Dr. Aditi Modi Scientist D Ocean Biogeochemistry, Earth Sytem Modeling +91-(0)20-25904826 aditi[dot]modi[at]tropmet[dot]res[dot]in
100 Ms. Smrati Gupta Scientist D Green House Gases Observation and Modeling, Carbon Cycle +91-(0)20-25904840 smrati[dot]cat[at]tropmet[dot]res[dot]in
101 Shri. Subrata Mukherjee Scientist D To be updated +91-(0)20-25904253 subrata[dot]cat[at]tropmet[dot]res[dot]in
102 Dr. Pramit Kumar Deb Burman Scientist D - Eddy covariance measurements
- Time series analysis
- Remote sensing
- Big data analysis and visualisation
- Mathematical modelling 		+91(0)20-25904841 (Office) pramit[dot]cat[at]tropmet[dot]res[dot]in
103 Mr. AMBUJ KUMAR JHA Scientist D Remote sensing of the atmosphere, clouds and precipitation +91-(0)20-25904763 ambuj[dot]cat[at]tropmet[dot]res[dot]in
104 Dr. Praveen V. Scientist D Earth System Model development, Climate change impact research, Finite Element Ocean Modelling +91-(0)20-25904828 praveen[dot]vk[at]tropmet[dot]res[dot]in
105 Shri. Sujit Maji Scientist D To be updated +91-(0)20-25904212 sujit[dot]cat[at]tropmet[dot]res[dot]in
106 Smt. S. Roy Scientist C Atmospheric Chemistry +91-(0)20-25904350 sompriti[at]tropmet[dot]res[dot]in
107 Ms. Shilpa Malviya Scientist C Madden Julian Oscillation +91-(0)20-25893600 shilpa[dot]cat[at]tropmet[dot]res[dot]in
108 Dr. U. V. Murali Krishna Scientist C Radar and Satellite meteorology - murali[dot]krishna[at]tropmet[dot]res[dot]in
109 Dr. Priya P Scientist C Land Surface Processes, Earth System Modeling, Hydrological modeling +91-(0)20-25904854 priya[at]tropmet[dot]res[dot]in
110 Dr. A. Aravindhavel Scientist B Atmospheric Aerosols, Clouds, Satellite and Lidar Remote Sensing & Inversion Methods 020-25904325 aravindhavel[at]tropmet[dot]res[dot]in
111 Dr. Rupraj Biswasharma Scientist B Atmospheric Convection, Atmospheric Electricity, Satellite and Radar Meteorology +91-(0)20-25904231 ruprajb[at]tropmet[dot]res[dot]in
112 Dr. Moumita Bhowmik Scientist B Cloud microphysics, Convection, Aerosol-Cloud Interaction (ACI), and Cloud-Radiation +91-(0)20-25904827 moumita[dot]bhowmik[at]tropmet[dot]res[dot]in
113 Ms. Neelam Namadev Malap Scientist B Clouds, aerosols and atmospheric boundary layer physics 020-25904345 neelam[at]tropmet[dot]res[dot]in
114 Dr. Umakanth Uppara Scientist B Indian Monsoon variability, Regional/Global Climate Change & Variability +91-(0)20-25904826 uppara[dot]umakanth[at]tropmet[dot]res[dot]in
115 Dr. Saikat Pramanik Scientist B Physical Oceanography, Ocean Modeling +91-(0)20-25904278 saikat[dot]pramanik[at]tropmet[dot]res[dot]in;
116 Dr. Jeni Victor N. Scientist B Aerosol-cloud-precipitation interaction, Thunderstorm and lightning activity - n[dot]jeni[at]tropmet[dot]res[dot]in
117 Dr. Nanaji Rao Nellipudi Scientist B Atmospheric Modelling +91-(0)20-25904437 nanajirao[dot]n[at]tropmet[dot]res[dot]in
118 Dr. Himabindu Hanumanthu Scientist B Tropical cyclones generated gravity waves, Weather Research and Forecasting model simulations and their verification, Madden-Julian Oscillation, Linear Atmospheric model, Atmospheric structure and dynamics - himabindu[dot]h[at]tropmet[dot]res[dot]in
119 Shri. Manoj Arjun Domkawale Scientist B Atmospheric Electricity, Instrumentation, Lightning and Thunderstorm, Global Electric Circuit, Lightning Location Network, Lightning and Mitigation +91-(0)20-25904200 manoj[dot]domkawale[at]tropmet[dot]res[dot]in
120 Mr. Harikrishna Devisetty Scientist B Radar and Satellite Meteorology +91-(0)20-25904224 harikrishna[dot]d[at]tropmet[dot]res[dot]in
121 Shri. Sachin Suresh Patil Scientist B Atmospheric instrumentation, Aerosol cloud interactions sachin[dot]patil[at]tropmet[dot]res[dot]in
122 Dr. Sandeep Dnyandeo Wagh Scientist B Aerosol-Cloud interaction, Fog microphysics, Aerosol-fog interaction, Cloud Physics, Ice Nucleation. +91-(0)20-25904260 sandeep[dot]wagh[at]trompmet[dot]res[dot]in
123 Mr. Sreenivas Gaddamidi Scientist B Expertise in Greenhouse Gases (GHGs) in-situ measurements, Aircraft measurements, Voyage measurements, and Remote sensing of GHGs, Global warming and Climate research. +91-2025904200-826 g[dot]sreenivas[at]tropmet[dot]res[dot]in
124 Shri. Sandip Ingle Scientist B Climate Model Data Management, Climate Model Data Archival and Maintenance 020-25904813 ingle[at]tropmet[dot]res[dot]in
125 Dr.(Smt.) Katru Naga Lakshmmi Scientist B Monsoon variability +91-(0)20-25904918 nagalakshmi[dot]k[at]tropmet[dot]res[dot]in
126 Dr. Deewan Singh Bisht Scientist B Atmospheric Aerosols and Precipitation Chemistry +91-(0)11-28743976 dsbisht[at]tropmet[dot]res[dot]in