Q84. In a recent judgement, the Supreme Court of India directed that every protected forest, national park and wildlife sanctuary across the country should have a mandatory eco-sensitive zone (ESZ) of a minimum of
(a)1 km starting from their demarcated boundaries
(b)2 km starting from their demarcated boundaries
(c)3 km starting from their demarcated boundaries
(d)5 km starting from their demarcated boundaries