Coast Guard and Directorate ofRevenue Intelligence officials on Wednesday recovered gold bars worth Rs 6.3 crore from the sea bed in the Gulf of Mannar off the Tamil Nadu coast.The joint operation took place after two people were nabbed and their fishing boat seized at Mandapam near Rameswaram on March 3, a defence release said.Officials in CG Hovercraft H-197 and interceptor craft IC-114 undertook diving operations in the Gulf of Mannar and recovered the contraband.Officials recovered a cloth package and retrieved gold bars weighing 15 kg concealed in it, it said.