Polling had begun on a strong note at 7 AM, with turnout being 15 to 20 per cent in the first three hours.
Chief Minister Jagadish Shettar and 106-year-old seer of the Tumkur-based famed Siddaganga Mutt, Shivakumar Swamy, were among the early voters.
Senior BJP leader M Venkaiah Naidu, Union Ministers M Mallikarjuna Kharge and M Veerappa Moily, Leader of Opposition Siddaramaiah, Karnataka Pradesh Congress Committee President G Parameshwara, BJP State unit President Prahlad Joshi, and Karnataka Janatha Paksha supremo B S Yeddyurappa were among those who voted in the initial hours.
At a couple of places, including in Mahadevapura segment in the city, polling was delayed by a few minutes following malfunctioning of electronic voting machines.