The 30-share barometer, which lost 186.25 points in yesterday`s trade, recovered by 46.92 points, to 18,391.95 in the first few minutes of trade today.
Stocks of the healthcare, consumer durables, metals and banking sectors led the recovery.
In a similar manner, the wide-based National Stock Exchange Nifty index rose by 10.45 points to 5,509.45 points.
Brokers said selective bargain buying by funds and retail investors in stocks that are available at attractive levels helped the Sensex trade in the positive zone, but a weakening trend on other Asian bourses capped the gains.
In the Asian region, Hong Kong`s Hang Seng index was down by 0.27 per cent, while Japan`s Nikkei shed 0.47 per cent in morning trade today. The US Dow Jones Industrial Average ended 0.38 per cent lower in yesterday`s trade.