The call was received by the police's main control room at 12.05 pm on April 7. The caller identified himself as Raja Thonge and said he was speaking from Pune and then he switched off his mobile.
The investigation found that Jain had brought arsenic and thallium to Kajal, which she mixed in food, tea and juice and gave to her husband, Kamalkant. Kajal and Jain were arrested in December last year.