New Delhi, Feb. 10 -- The Delhi Police on Monday said it has registered a first information report (FIR) over the circulation of an unpublished memoir of former army chief General (retired) MM Naravane on social media, in a development that comes amid a row that has repeatedly disrupted proceedings of the Lok Sabha after Leader of Opposition Rahul Gandhi brought up excerpts from the book in Parliament on February 2. "The Delhi Police took cognisance of information found on various social media platforms and news forums which claimed that a pre-print copy of the book 'Four Stars of Destiny' is being circulated," a Delhi Police spokesperson said in a statement. Police said during an enquiry, they found that a soft copy, or PDF version, of the unpublished book was available on websites. A case has been registered with the Special Cell to carry out a thorough probe into this purported leak. A political row erupted last week after Rahul Gandhi brought up excerpts from the unpublished book on India-China relations in the Lok Sabha. He was, however, stopped by the speaker from citing from the book. Since then, proceedings in the Lok Sabha have been disrupted by the opposition....