Either Mayawathi or V.P.Singh or Chandra sekhar ...the list is too long(sorry forgot to mention Mulayam singh yadav)any UP leader has contributed in dividing India vertically and horizontally,thanks to Mandal commssion(till when Hindu society was co-existing peacefully,friends were made foes by these leaders by caste and other biases)Ayodhya and all.Even education is thrown out of window by giving free hand to Open-copying by Mulayam,GOD SAVE THE PERSONS WHO FOLLOW THESE LEADERS.