New Delhi, Feb. 5 -- The CBI has filed a charge sheet against a self-styled investigator alleging that she presented "forged" letters from high dignitaries, including Prime Minister Narendra Modi and Defence Minister Rajnath Singh, to support her claims made in a YouTube video regarding the death of actor Sridevi.

Last year, the CBI registered a case against Deepti R Pinniti, based in Bhubaneswar, and her lawyer Bharath Suresh Kamath following a complaint from Mumbai-based lawyer Chandni Shah, which was referred to the agency by the Prime Minister's Office.

Shah alleged that Pinniti had produced several documents, including letters from the prime minister and the defence minister, along with documents related to the Supreme Court and reco...