Vishnu Bhushan Bhumik, the 57-year-old man who made threat calls to Reliance Foundation Hospital on Monday, has been suffering from mental illness since his shop at Zaveri Bazaar was damaged in the 1993 bombings, according to his wife. Police said he has made similar threat calls in the past, in two different police jurisdictions. 

The Dahisar police arrested Bhumik and handed him over to the D B Marg police, where the hospital had filed the complaint.