New Delhi: Gandhian activist Anna Hazare in a letter congratulated Delhi Chief Minister designate Arvind Kejriwal. PromotedListen to the latest songs, only on JioSaavn.comRead the letter here: Also ReadArvind Kejriwal, K Kavitha To Stay In Jail, Custody Extended By 14 DaysArvind Kejriwal Given Insulin In Tihar Jail After Sugar Levels Soar"One Rule For All": Top Tihar Official Amid Arvind Kejriwal Insulin Row