West Bengal Governor Keshri Nath Tripathi took oath as Bihar Governor as additional charge here on Thursday. The Chief Justice of the Patna High Court, Rajendra Menon, administered the oath to Mr. Tripathi at a function in the Raj Bhavan. Chief Minister Nitish Kumar, Deputy CM Tejashwi Prasad Yadav and Speaker Vijay Kumar Choudhary were among those who attended the ceremony. The post of Bihar Governor fell vacant after Ram Nath Kovind resigned. PTI