Zee Media Bureau/Reema Sharma

New Delhi: The BSE benchmark Sensex regained 21,000 level on Thursday on the back of exit polls prediction that key opposition party might sweep three out of four states in state elections held since November.

Sensex surged over 439 points, or 2.12 percent, to 21,148.26 in opening trade with all indices trading in green. The rally was led by gain in banking, capital goods, realty, power and auto sector.

Major gainers in BSE sensex are ICICI Bank (5.44 percent), HDFC Bank (4.11 percent), L&T (3.58 percent), HDFC (2.81 percent) and BHEL (2.68 percent).

Similarly the wide based Nifty also surged over 100 points to trade at 6,287 level.

However, at the interbank exchange, rupee jumped to fresh one-month high of 61.75, rising 30 paise against the dollar in early trade.