LK Advani, senior BJP leader, has quit all posts in the party, a day after he was over-ruled and Gujarat Chief Minister Narendra Modi was given a whopping promotion.Read the letter here:PromotedListen to the latest songs, only on JioSaavn.comAlso ReadInclusive Spirit Notable Factor Of India's Growth Story, Says PM: 10 PointsPM Modi Chairs Urgent Top-Level Security Meet On Widening West Asia Crisis"Jai Mata Di!": PM Modi Extends Navratri Wishes