(a) whether the diamond mines have been handed over to private companies under an agreement;
(b) if so, the details thereof, mine-wise and company-wise;
(c) whether the Government have got investigated the said agreement and its compliance through CBI;
(d) if so, the outcome thereof;
(e) whether there is any change in the team of investigating officers;
(f) if so, the reasons therefor; and
(g) the follow-up action taken thereon?