Salt Water Intrusion and Environmental Implications in the Coastal Areas of Tamil Nadu sponsored by the Ministry of Environment and Forests, Government of India, New Delhi during April 1992 - September 1995, Fund: Rs. 3,95 Lakhs.
Impact of Tannery Effluents on Land and Water Resources around Dindigul, Tamil Nadu sponsored by University Grants Commission, Government of India, New Delhi During March 1995 - February 1996, Fund: Rs. 13,000
Mapping Plant Diversity in the Eastern Ghats of Tamil Nadu with Department of Botany, St.Joseph's College, Tiruchirappalli sponsored by the Ministry of Environment and Forests, Government of India, New Delhi during 1997 – 2000, Fund: Rs. 6,38 Lakhs.
Evaluation of the Natural Resources and Environment of the Kolli Hills, Tamil Nadu using Remote Sensing and GIS with Department of Botany, ,St.Joseph's College, Tiruchirappalli sponsored by Ministry of Environment & Forests, Government of India, New Delhi during 1997 – 2000, Fund: Rs.11,62 Lakhs.
Spatial and Temporal Evaluation of Groundwater Decline and its Implications on Land use Changes in Noyyal Basin, Tamil Nadu, India, University Grants Commission, Government of India, New Delhi during January 2010 - December 2012, Fund: Rs. 10,95,000 (Principal Investigator / Minor Research Project).
Hydrologic Land use in Tamil Nadu using Multidated Satellite Data, sponsored by the University Grants Commission, New Delhi, during August 1994 to July 1997, Fund: Rs. 3 Lakhs.
Creation of Teaching Modules through Remotely Sensed Data, sponsored by University Grants Commission, Government of India, New Delhi, March 2002 – February 2003; Fund: Rs. 20, 000.
Impact of Wind Erosion on Agricultural Landuse in Thevaram Basin, Tamil Nadu, sponsored by Ministry of Environment and Forests, Government of India, New Delhi, April 94 – April 97; Fund: Rs. 4.71 Lakhs
Coastal Resources Evaluation for Optimum Landuse Planning for Northern Tamil Nadu (with SM. Ramaswamy, School of Earth Sciences, Bharathidasan University, Tiruchirappalli), State Planning Commission, Government of Tamil Nadu, February 94 June 96; Fund: Rs. 3.31 Lakhs.
Integrated Management for Sustainable Development Gundar Basin (with SM. Ramaswamy, School of Earth Sciences, Bharathidasan University, Tiruchirappalli), National Remote Sensing Agency, Government of India, Hyderabad; Fund: 12.5 Lakhs.