Institution: | 1. Department of Mathematics, Kokrajhar Govt. College, Kokrajhar, B.T.A.D., Assam 783370, India;2. Department of Mathematics, University of North Bengal, West Bengal 734013, India;1. Earth Observation Research Center, National Space Development Agency of Japan, 1-8-10 Harumi, Chuou-ku 1046023, Tokyo, Japan;2. NASA Goddard Space Center, University of Maryland Baltimore County, Code 970.2, Greenbelt, MD 20771, USA |