New guidelines help bypass NBW nod for dams in Sikkim
State faces a Goa-like situation, warns National Board of Wildlife In order to bypass the need for a mandatory clearance from the National Board of Wildlife (NBW) for a slew of dams being developed in Sikkim, the Environment Ministry has slashed the protective zone around the hill State’s national parks and sanctuaries from the existing 10 km to an insignificant 25-200 metres.