Though there is no clear theme, the findings indicate an edge for the BJP in the politically-sensitive Uttar Pradesh. Counting of votes for five states will be taken up tomorrow.
On the macro front, the index of industrial production (IIP) for January is scheduled for release after market hours today. Chances of higher US borrowing costs kept investors on their toes.
The 30-share Sensex settled higher by 17.10 points, or 0.06 per cent, at 28,946.23. It had gained 27.19 points in the previous session.
On a weekly basis, the Sensex gained 113.78 points, or 0.39 per cent, and the Nifty 37 points, or 0.41 per cent.
Sentiment remained bullish at the outset after exit polls last evening showed the BJP emerging as the single largest party in Uttar Pradesh as well as Goa and likely to form government in Uttarakhand, lifting the key indices.
"Market's behaviour suggest that investors preferred to wait for the final results for UP and other four state Assemblies," said Manoj Choraria, a Delhi-based NSE stock broker.
Other major gainers were L&T, TCS, ONGC, Infosys and Wipro.
The market sentiment also got a boost after foreign funds purchased shares worth a net Rs 487.61 crore yesterday, as per provisional data.
Japanese shares led the rally in Asian markets as the dollar surged against the yen ahead of key US jobs data and a Federal Reserve meeting next week that is widely expected to go for an interest rate hike.
European stocks nudged higher in their early trade.
However, the broader markets came under pressure, with the mid-cap and small-cap indices registering a decline.
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