New Delhi: Senior Congress leader Digvijaya Singh has written an open letter to anti-corruption crusader Anna Hazare. Here's the full text of the letter:PromotedListen to the latest songs, only on JioSaavn.comAlso ReadCongress' Digvijaya Singh Files Petition Alleging Irregularities In Lok Sabha Polls"Learn From RSS": Congress' Digvijaya Singh Tells Youth Party WorkersAmit Shah Quotes Poet, Asks Voters To Bid Farewell To Digvijaya Singh