We wish to acknowledge the help extended by Dr. N. Subba Rao, Mr. Krishnamachari, Mr. A. Inderjeet Singh Seghal, Mr. Arun Kumar Thakur of Bio Informatics Centre, Jawaharlal Nehru Universityus in many ways like Fax, email services . Help received from INSDOC, NIC and Dr. Dilip Datta (Gujarat Ecological Society, Vadodara), Mr. S. Venkatesan, Mr. N. Madhavan, and Ms. Anuradha Verma, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi are also gratefully acknowledged.