(a) whether environmental clearance has been given to the Nagarjun Thermal Power Project in Karnataka;
(b) if so, the reasons for giving the clearance inspite of earlier objections;
(c) whether clearance has been given on the assumption that it would use only high sulphur content imported coal; and
(d) whether the plant will require an imported high cost desulphurisation plant which will increase the cost of generation?