India's foreign exchange reserves touched a record high in September and the current stock is sufficient to cushion India against unexpected global risks. According to global financial services major DBS, India's total foreign reserves touched a record high of USD 402.5 billion in September this year.Reserves bottomed out at USD 275 billion in August 2013, at the worst point of the Fed taper tantrum, DBS said in a research note.The reserves stock has increased on the back of strong foreign portfolio inflows, net investment flows and a narrower current account deficit.