[1] Dinhata Coll, Dept Geog, Dinhata, W Bengal, India
[2] Cooch Behar Panchanan Barma Univ, Dept Geog, Cooch Behar, W Bengal, India
[3] Jharbari High Sch, Dalmadh, W Bengal, India
[4] Int Inst Populat Sci, Mumbai, India
[5] Cooch Behar Panchanan Barma Univ, Dept Geog Geospatial Technol, Cooch Behar, W Bengal, India
[6] Univ North Bengal, Dept Geog & Appl Geog, Darjeeling, W Bengal, India
[7] Dinhata Coll, Dept Geog, Dinhata Rangpur Rd, Dinhata 736135, W Bengal, India