India, Aug. 1 -- Actor Sushant Singh Rajput's sister Shweta Singh Kirti appealed to Prime Minister Narendra Modi on Saturday to ensure no evidence is tampered with in the probe into her brother's death even as Bihar Police said it was capable of probing the sensational case on its own.

Kirti posted a message tagging the prime minister on social media amid growing controversy and politics surrounding the 34-year-old, who was found dead in his Bandra flat in Mumbai on June 14.

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"We are from a very simple family. My brother had no Godfather when he was in Bollywood nor do we have anyone right now. My request to you is to i...