In a setback to the AAP ahead of the Delhi Assembly polls, its senior leader and city Transport Minister Kailash Gahlot quit the party on Sunday. In his resignation letter to Aam Aadmi Party (AAP) convener Arvind Kejriwal, the 50-year-old pointed to the "grave challenges" facing the party Gahlot, a prominent figure in the party, also took a jab at Kejriwal while flagging some "awkward" and "embarrassing" controversies like 'sheeshmahal', saying it makes everyone doubt if "we still believe in being the 'Aam Aadmi'". Gahlot's reference to the 'sheeshmahal' controversy comes against the backdrop of BJP leaders' charge that Kejriwal spent crores on lavish items and modern facilities at his former official residence at 6 Flagstaff Road. The BJP had dubbed Kejriwal's earlier residence as 'sheeshmahal'. Gahlot, the MLA from Najafgarh, tendered his resignation from the council of ministers with immediate effect. Official sources said the resignation was accepted by Delhi Chief Minister ...