Bihar cabinet expansion: Governor Lalji Tandon administered the oath of office and secrecy to JD(U) leaders Ashok Choudhary, Shyam Rajak, L Prasad, Beema Bharti, Ram Sevak Singh, Sanjay Jha, Neeraj Kumar and Narendra Narayan Yadav at a glittering function at the Raj Bhavan in Patna today.