India, March 6 -- Bihar CM Nitish Kumar and BJP president Nitin Nabin are set to enter Rajya Sabha unopposed, while NCP-SP supremo and veteran politician Sharad Pawar will return to the Upper House once again after they filed their nomination papers on Thursday. The BJP is set to increase its tally in the Upper House, where it will have the maximum number of seats after this round of elections.

The leaders were among the 40 candidates who filed their papers on the last day of nomination for 37 seats that are falling vacant in 10 states, leading to a keen contest for one seat each in Bihar, Odisha and Haryana.

Among others who are set to return to the Upper House in this round of biennial elections include Union ministers Ram Nath Thakur...