The US central bank left interest rates unchanged at the end of its two-day policy meet, but remains on path for a possible December hike as it cited "solid rate" of growth.
This lifted Asian markets, which in turn made the 30- share Sensex firm up 45.53 points, or 0.13 per cent, to 33,645.80 in the morning trade.
It rallied 387.14 points to close at a record high of 33,600.27 in the previous session. Healthcare, consumer durables, IT, oil and gas, realty, technology and banking indices made gains.
The National Stock Exchange (NSE) index Nifty too was up 8.55 points, or 0.08 per cent, to trade at 10,449.05 in the morning trade before closing at 10,423.80 points.
Big gainers were Divi's Labs, Sun Pharma, Lupin, Cipla, Bajaj Auto, ICICI Bank and TCS, rising by up to 2.65 per cent.
Hong Kong's Hang Seng moved up 0.10 per cent while Japan's Nikkei rose 0.23 per cent today, but Shanghai
Composite shed 0.47 per cent. The US Dow Jones Industrial Average ended 0.25 per cent up on Wednesday.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)