Riding a wave of optimism, the Sensex on Monday vaulted 1,422 points to close at a record 39,352.67 as investors cheered the exit polls predicting a clear mandate for the Narendra Modi-led NDA in the Lok Sabha elections.
The NSE Nifty surged over 421 points to log its best single day gains in over 10 years.
The 30-share BSE gauge also registered its biggest one-day rise in the last six years besides marking its all-time intra-day record of 39,412.56.
Tracking overall positive sentiment, the Indian rupee on Monday jumped 49 paise to close at a nearly two-week high of 69.74 against the US dollar.
Brent crude, the global benchmark, was trading at 72.61 per barrel, higher by 1.40 per cent.
Globally, bourses in Asia ended on a mixed note, while those in Europe were trading in the red in their respective early deals.