Big guns to campaign for BJP, Congress in Karnatataka from this week

Less than four weeks until Karnataka LS polls' first phase. BJP & Congress gear up with big guns. Amit Shah launches BJP campaign in Channapatna. Star campaigners include Yogi Aditya Nath, Himant Biswa Sarma, Pramod Sawant, Sonia Gandhi, Rahul, Priyanka.