In a now-deleted video, Sai, a former chairman of the National Commission for Scheduled Tribes, said the Chhattisgarh chief minister's post was denied to him in 2003 "as part of a conspiracy".
Senior Bharatiya Janata Party leader Nand Kumar Sai has resigned from the party, blaming opponents within the party for his decision.
He said in a letter to state BJP President Arun Sao that he had been an integral part of the party till date. The party has given important posts, he
Ahead of the polls, a day after resigning from Bharatiya Janata Party (BJP), senior tribal leader and former BJP MP, Nand Kumar Sai joined Congress party in Chhattisgarh