India, Feb. 9 -- The police in Delhi have started an investigation into the circulation of a soft copy (in PDF format) of the unpublished autobiography of former army chief Gen MM Naravane, which has been at the centre of a row between Leader of Opposition Rahul Gandhi and the BJP-led NDA government in Parliament and outside.

A spokesperson said, "Delhi Police took cognizance of information found on various online social media platforms and news forums which claimed that a pre-print copy of the book 'Four Stars of Destiny' is being circulated."

The necessary clearance for publication of this book is yet to be received from the relevant authorities, they added.

"Upon verification, it was found that a PDF copy of a type-set book with the...