whether there is no regulation on the use and sale of idols made of Plaster of Paris (PoP) which is causing damage to the environment;
(b) if so, whether the Government or any other agency has conducted any definite and comprehensive scientific study on the impact of PoP on the environment;
(c) if so, the details and outcome thereof;
(d) whether a study conducted by some private agency/body has revealed a steep rise in concentration of heavy metals, dissolved solids, acid content and a drop in dissolved oxygen;
(e) if so, the reaction of the Government thereto;
(f) whether the NGT has ordered State Pollution Control Boards to constitute Expert Committees to study the impact of PoP on water bodies; and
(g) if so, the details and status thereof?