An estimated 70-77 per cent polling was today recorded in bypolls to two assembly constituencies in Madhya Pradesh. The bypolls were largely peaceful but some incidents were reported in some booths between the Congress and BJP workers.Mungaoli and Kolaras have seen high-voltage campaigns from the ruling BJP and the Congress that's keen on retaining the two seats. While Chief Minister Shivraj Singh Chouhan has led the BJP campaign along with a host of his ministers, leading the opposition attack is Congress lawmaker Jyotiraditya Scindia.