Sri Vijaya Puram, May 29: Prof. Dr. Mukesh Tripathi on joining Andaman & Nicobar Administration and assuming the charge as Director (ANIIMS) called on Admiral D K Joshi, PVSM, AVSM, YSM, NM, VSM, (Retd.), Hon’ble Lt. Governor, A&N Islands and Vice-Chairman, Islands Development Agency today at Raj Niwas.