(a) whether the Government has done any assessment of rain water harvesting capacity, existing structures and quality of water harvested in various cities during the last three years;
(b) if so, the details thereof including observations made for Visakhapatnam city;
(c) if not, whether the Government proposes to undertake such study, if so, the details thereof;
(d) whether the National Green Tribunal (NGT) has directed the Government to use rain water harvesting system; and
(e) if so, the details thereof and the action taken by the Government thereon?