A day after actor Rhea Chakraborty accused Sushant Singh Rajput's sisters of making "bogus medical prescription" to enable him to access anxiety medication that cannot legally be prescribed on WhatsApp, Mumbai Police has registered a case of abetment to suicide against two of Mr Rajput's sisters and others. The case has been transferred to the CBI for further investigation in accordance with orders of the Supreme Court, Mumbai Police said. An offence has been registered against Mr Rajput's sisters Priyanka Singh and Meetu Singh, Dr Tarun Kumar of Delhi's Ram Manohar Lohia Hospital and others, an official said.