(a) whether there are complaints against telecom operators for leaking call details of customers to private security agencies and other unauthorised persons;
(b) if so, the details thereof, operator wise and the action taken by the Government in this regard;
(c) whether similar cases have been registered against BSNL employees in Kerala for leaking call details; and
(d) if so, the details thereof and the action taken by the Government against the officials responsible for the same?