Voters on Monday braved the scorching sun to cast their votes in six Lok Sabha constituencies of Bihar which witnessed a voter turnout of about 31 per cent till noon.br br While 30 per cent voting was recorded in Valmikinagar, it was 31 per cent in West Champaran, 28 per cent in East Champaran, 35.1 per cent in Vaishali, 31.2 per cent in Gopalganj (SC) and 30.2 per cent in Siwan till noon, an Election Commission statement said.