Port Blair, Aug. 27: ‘Synergy’ will be ccelebrating Onam festival to Promote Social Harmony at 12.15 p.m. on 29^th August 2012 at Hotel Islands Paradies, J.N. Road, Dilanipur, Port Blair. Shri Jalaj Shrivastava IAS, Chief Secretary i/c, A&N Administration will be the Chief Guest on the occasion.