Chandigarh, April 26 -- President of BJP industrial cell, Roopinder Singh (Roopi Singh), who was earlier BJP state convener, joined the Congress in presence of Pawan Bansal and other senior leaders of the party on Thursday. His wife Balwinder Kaur (Rana Kaur), former general secretary of BJP Women's Wing, also joined him. She had fought the 2016 MC elections on a SAD ticket....