(a) whether the Government is aware that a number of private companies to whom coal blocks were allocated during
2006-09 have changed/diluted, in one form or the other, the ownership stakes after allocation;
(b) if so, the details thereof, State-wise including Chhattisgarh, Jharkhand and Odisha;
(c) the details of ownership changes and the new companies to whom stakes were transferred, States-wise; and
(d) the action the Government has taken/proposes to take in this regard?