Hyderabad, Jan. 24 -- Hyderabad Police Commissioner VC Sajjanar, heading the Special Investigation Team (SIT) that is probing the phone-tapping case, on Friday, January 23, issued a sharply worded letter to Bharat Rashtra Samithi (BRS) leader and former Indian Police Service (IPS) officer RS Praveen Kumar, demanding that he substantiate allegations he made in public against him or face possible defamation cases.

The letter by Sajjanar, who is also the SIT chief, relates to statements Kumar made while addressing the media earlier in the day. Kumar alleged that the SIT chief was involved in seven criminal cases and sought the constitution of another investigation team to inquire into him.

The Police Commissioner described those remarks as...