Barack Obama celebrated Diwali by lighting the ceremonial lamp at the White House amidstchanting of Vedic mantras seeking world peace. He became the first US President to personally grace the occasion. This is for the first time that a US President attended and celebrated Diwali at the White House thus giving an official recognition to the festival of lights celebrated across the world by millions of Hindus, Sikhs and Jains. Mr Obama said coming Saturday, Hindus, Jains, Sikhs and some Buddhists, in America and around the world, will celebrate this holiday by lighting 'Diyas', or lamps, whichsymbolise the victory of light over darkness, and knowledge over ignorance, Among those present at the occasion were several eminent members of the Indian community, nearly half a dozen members of his Cabinet and several Indian American members of his administration. The visiting Union Minister of Commerce, Anand Sharma, and Indian Ambassador to the US Meera Shankar graced the occasion.