Nitish Kumar took the oath as the chief minister of Bihar for the 8th time on Wednesday, a day after he resigned from the post of the CM of the NDA alliance government and staked claim to form a new government with the RJD, the Congress and other parties. RJD leader Tejashwi Yadav took the oath as the deputy chief minister. The cabinet expansion will take place after August 15, reports said. The oath-taking ceremony was kept low-key as only the chief minister and th deputy chief minister took their oaths. RJD's Manoj Kumar Jha said the oath-taking ceremony is not just of two persons, but of the entire Bihar.