New Delhi, June 1 -- The Karnataka High Court recently ruled that a person's call detail records (CDRs) are private. It said police can't "unnecessarily" collect such information when there is no ongoing official investigation that requires it.

According to Bar and Bench, the judge said that if police are allowed to obtain CDRs that are not part of a lawful investigation, it would lead to a police state.

Justice Suraj Govindaraj made the observation while refusing to quash a criminal case filed against Sub-Inspector of Byatarayanapura Police Station Vidya VM. It was alleged that she had illegally collected the CDRs of a woman.

The Karnataka High Court held that call detail records of an individual are personal and private details and t...