Mumbai – Foreign exchange reserves of India has increased by 1.622 million dollars to reach 481.078 billion dollars in the week ended 1st May. Foreign currency assets, a major part of the overall reserves rose by 1.752 billion dollars to 479.455 billion dollars said in a press release of RBI.Gold reserves depleted by 623 million dollars to end at 32.277 billion dollars.The reserves had declined by 113 million dollars to end at 479.455 billion dollars in the previous week.