"We are trying to figure out the owner of the Belgian- made 0.6 calibre pistol used by Varsha to shoot herself dead," a police officer involved in the probe said.
"We will soon record the statement of Varsha's mother Asha Bhosle, aunt and singer Lata Mangeshkar, who lives in the same building, brother Anand and her ex-husband Hemant Kenkre. As of now, nobody among the family and friends has come forward to say the weapon belongs to him or her," the officer said.
56-year-old Varsha had shot herself dead at her mother's flat at Prabhu Kunj on the posh Peddar Road of South Mumbai and her body was found lying on a sofa yesterday.
The statements of another aunt Usha Mangeshkar, a relative Rachna Shah, driver Vijay Nakashe and housemaid Deepali Mane have been recorded so far.
According to the police, Varsha was under treatment of doctors based in Pune for depression.
"We are seeking her health-related documents from the doctors and at home," an official said.
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Meanwhile, the post-mortem report has revealed that Varsha died of haemorrhagic shock due to bullet injury and excessive bleeding. The viscera has been preserved for further investigations, police said adding that the post mortem report did not disclose the exact time of suicide.
Police have registered a case of suicide and they do not suspect foul play.