Port Blair, Sept. 17: All Staff members of Raj Niwas (including senior officers) offered prayers during Vishwakarma Pooja celebrations held at Raj Niwas. Admiral D K Joshi, PVSM, AVSM, YSM, NM, VSM, (Retd.), Hon’ble Lt. Governor, A&N Islands and Vice-Chairman, Islands Development Agency also participated in the event.