New Delhi [India], November 13 (ANI): Bharatiya Janata Party leader Shehzad Poonawalla on Wednesday wore a gas mask as the pollution level rises in the Delhi-NCR region and said that the national capital has become a gas chamber. Speaking to ANI, Poonawalla blamed the Aam Aadmi Party for the rise in pollution in Delhi. He said, “Delhi has become a gas chamber. AAP used to blame stubble burning in Punjab for that. Now, more than 6000 cases of stubble burning have happened in Punjab but they chose to stay silent on that. They blame Diwali, UP and Haryana for the rise in air pollution. But they s…