About 30 per cent of 16.61 crore cast their vote till noon in this phase in which 1,769 candidates including Nandan Nilekani (Cong), Maneka Gandhi, former Prime Minister H D Deve Gowda (JD-S), Union Ministers Veerappa Moily (Cong) and Srikant Jena, Supriya Sule and Lalu Prasad's eldest daughter Misa Bharti are in the fray.
In Uttar Pradesh, over 27.44 per cent voters exercised their franchise till 11 AM. Polling is going on on 11 seats in the second phase to decide fate of 150 candidates, including Maneka Gandhi, Santosh Gangwar, Saleem Sherwani and Begum Noor Bano.
In Karnataka, voting began on a moderate to brisk note in the single-phase elections for all the 28 Lok Sabha seats.
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Barring reports of Naxal violence in some places in Jharkhand, polling has been peaceful, poll officials said.
An estimated 12.74 per cent voters exercised their franchise till 9 AM in the second phase of polling for six Lok Sabha constituencies in Jharkhand.
Passenger train services were hit in Bokaro district where Maoists blew up a stretch of railway track.