Mamata Vs Centre row over Bengal Chief Secy: Watch Halla Bol

West Bengal Chief Minister Mamata Banerjee on May 31 wrote to Prime Minister Narendra Modi that her government cannot release Chief Secretary Alapan Bandyopadhyay who has been asked to report to the Centre in what she called a "unilateral order". The current situation in Bengal has sparked a debate. Watch Halla Bol.