Bypolls in as many as 51 assembly seats and two Lok Sabha constituencies spread across 18 states started on Monday. The BJP and its allies had nearly 30 of these assembly seats, while the Congress had won 12 and the rest were with regional parties. Among the states ruled by the BJP and its allies, the maximum 11 seats will have bypolls in Uttar Pradesh, followed by six in Gujarat, five in Bihar, four in Assam and two each in Himachal Pradesh and Tamil Nadu.