Votes are being counted in the eastern Indian state of Bihar where Prime Minister Narendra Modi's Bharatiya Janata Party (BJP) is hoping to return to power with its alliance partner.

The election was held in two phases on 6 and 11 November and the state witnessed a record voter turnout of 66.91% - the highest since Bihar's first elections in 1951, India's Election Commission (EC) said.

Several exit polls predict a victory for the BJP's alliance, although such polls have been wrong in the past.

The election was conducted after a controversial revision of electoral rolls that the opposition alleged would exclude genuine voters and give Modi's party an edge - a charge both the BJP and EC deny.

The counting of votes began at 08:00 local time (02:30 GMT) on Friday.