Sisodia reached Rail Bhawan around 12 PM and filed the application.
Last month, CBI had registered a preliminary enquiry against him in connection with alleged irregularities in AAP government's social media campaign 'Talk to AK'.
"I want to know what process the Centre follows in advertising its campaigns like Make in India, Narendra Modi app, Start Up India and Digital India on social media. Whose credit limit has been used in putting up these ads?
Asked whether he was hopeful of getting any response, Sisodia claimed that "everyone is aware" why information on Modi's higher education degrees has not been shared yet.
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Sisodia had earlier written to the Prime Minister's Principal Secretary Nripendra Misra seeking details of the process of payments made for social media campaigns for various Centre-run schemes.
Through the RTI, addressed to the Central Public Information Officer of the PMO, he sought information on action taken on his letter addressed to Mishra and copies of file notings, correspondence and other documents relating to the handling of the letter dated January 27.
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