New Delhi, July 4 -- Delhi-based singer Mohd Asif, popularly known by his stage name Bismil, has allegedly received extortion threats from unidentified persons using international phone numbers, following which the Delhi Police Special Cell has registered an FIR and initiated an investigation.

According to the FIR, the threats began on April 20 this year when the singer's manager, Vibhor Hasija, received a phone call from a Portugal-based number demanding 5 crore as extortion money.

Police said another threatening call and several voice notes were received on April 23 from a different international number. During the calls, the caller allegedly identified himself as gangster Deepak Nandal and continued issuing threats.

The complaint st...