Major set back for Shivsena in Kherwadi Assembly , Mumbai Mayor Vishawnath Mahadeshwar loses election against Congress candidate Zeeshan siddiqui by with huge margin of 5,337 votes .He lost because of vote dividation of shivsena .Zeeshan Siddiqui is the son of Senior Congress leader Baba Siddiqui.Security beefed up at Ex Shivsena MLA Trupti sawant in Bandra east.