T.V. Ramachandra <cestvr@ces.iisc.ernet.in>, Energy & Wetlands Research Group, Centre for Ecological Sciences, Indian Institute of Science, Bangalore – 560 012, INDIA Tel : 91-80-23600985/22932506/22933099, Fax : 91-80-23601428/23600085/23600683[CES-TVR].
Uttam Kumar <uttam@ces.iisc.ernet.in>, Centre for Sustainable Technologies, Indian Institute of Science, Bangalore, India.