Chandigarh, Nov 20 (PTI) Polling began amid tight security at 7 am on Wednesday for bypolls to four assembly segments in Punjab. Officials said polling would close at 6 pm. Bypolls to the Gidderbaha, Dera Baba Nanak, Chabbewal and Barnala assembly segments were necessitated after the incumbent lawmakers were elected to the Lok Sabha. Forty-five […]