Dec. 2006 - Oct. 2007: IFCPAR project, Carbon fluxes over India and Central Asia (CaFICA), CSIR-CMMACS, Bangalore.
Mar. 2004-Dec. 2006: ISRO-GBP Project, Climate effects of aerosols. Space Physics Laboratory, VSSC-ISRO, Kerala.
Apr. 2003-Mar. 2004: JST Project, Analysis of precipitation from Earth Observing Systems. Typhoon Research Department, MRI/JMA, Tsukuba, Japan.
Oct. 1999-Feb. 2002: AMIP II diagnostic subproject No. 37, Superensemble modeling of seasonal climate. Dept. Meteorology, FSU, USA
Oct. 1999-Feb. 2002: NOAA Project, Superensemble method for
realtime precipitation forecasting by GCMs. Dept. Meteorology, FSU, USA
Jul. 1998-Sep. 1999: ISRO Project, Monsoon Ocean Coupling. CAOS, IISc, Bangalore
2023-Date: Associate Faculty of SERB, GoI funded "Centre of Excellence (CoE) in AI for Climate Extremes (ACE)", GAP-.
Apr. 2017-Mar. 2023: PI of MoEFCC funded "National Carbonaceous Aerosols Programme (NCAP): Working Group III- Carbonaceous Aerosol Emissions, Source Apportionment and Climate Effects", GAP-1009.
Sep. 2018-Aug. 2021: Co-PI of MoES funded National Monsoon Mission Phase II project on "Improving the prediction of the extremes of the interannual variation of the Indian summer monsoon rainfall (ISMR) by CFSv2", GAP-1013.
Jul. 2015-Jun. 2017: PI of CSIR 12th Five year plan network project on "Vulnerability assessment and development of adaptation strategies for climate change impact with special reference to coasts and island ecosystems of India (VACCIN)", ISC-03-02.
Jun. 2012-May. 2015: Co-PI of Climate Change Project funded by Department of Environment and Climate Change, Government of Kerala on ``Future climate change projection for Kerala using high resolution climate model", R-1-166.
Jul. 2012-Jun. 2015: Co-PI of collaborative project on "Climate Change and Variability: Modeling, Analysis and Downscaling in the context of Indian Monsoon"
with Meteorological Research Institute, Japan and Divecha Climate Change Center, Indian Institute of Science, R-8-118.
Sep. 2010 - Aug. 2012: PI of CSIR Empower Scheme Project on "Impact of regional aerosol radiative forcing on Indian monsoon", R-8-113.