Over 44 lakh voters will decide the fate of 223 candidates in the fray.
A total of 5,051 polling booths have been set up for the second phase.
Polling began at 7 AM and will continue till 5 PM in Jamshedpur (East) and Jamshedpur (West). Balloting will end at 3 PM in the other 18 constituencies.
In the second phase, 17 of the 20 seats are reserved for Scheduled Tribes. The Bharatiya Janata Party had won eight of the seats in the 2009 assembly polls.
Two former chief ministers – Arjun Munda and Madhu Koda – are contesting from Seraikela and Majhgao seats, respectively. (IANS)