(' Govemment of West Bengal Department of Environment Pranisampad Bhawan, 5ft Floor, LB 2, Sector-III, salt Lake, Kolkata-700106 e-mai I : environmentwb @gmail
Date: issued 14.09.2006. (' Govemment of West Bengal Department of Environment Pranisampad Bhawan, 5ft Floor, LB 2, Sector-III, salt Lake, Kolkata-700106 e-mai I : environmentwb @g…
Environment Department, West Bengal14 Sept 2006Official source ↗