New Delhi: The Enforcement Directorate probing the financial loop holes in Sushant Singh Rajput's suicide case, seems to be leaving no stones upturned in order to double check on each suspect.

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The ED officials, which has been questioning late actor's girlfriend Rhea Chakraborty, her family and few others in connection with suicide case, earlier today seized her, her father and her brother Showik Chkaraborty’s mobile phones.

As per reports, ED has seized 4 mobile handsets, of which two belonged to Rhea Chakraborty, one each to Showik Chakraborty and Indrajit Chakraborty. Along with the handsets, 2 iPads and 1 laptop have also been seized.

In the latest development, the 'Jalebi' actor has cleared the air over the mysterious identity of 'AU' which had raised various speculations post revelation of call records some time back. According to the reports, Rhea's legal team has said that the name 'AU' from actress's phone call data records denotes a family friend, Annaya Uddhas.

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The ED and the CBI are probing the death of the 'Dil Bechara' actor on the complaint filed by his father KK Singh who lodged his complaint at the Rajeev Nagar police station in Patna on July 25.

The ED had on July 31 registered a case on the basis of a Bihar Police FIR on his father's complaint that Rs 15 crore was withdrawn or transferred from his son's Kotak Mahindra Bank account. The ED registered the case under the Prevention of Money Laundering Act (PMLA) against Rhea and her family members, among others.

Sushant's father has accused Rhea of taking money from his son and also threatening to disclose his medical reports to the media. The late actor's family has also accused her of keeping him away from them.