The Sensex ended higher on Tuesday, led by gains in telecom stocks such as Bharti Airtel .
Shares in Bharti rose 2.9 percent while Idea Cellular rose 5.6 percent after a tribunal's split verdict on 3G mutual roaming pacts.
IT stocks however, fell for the second day on poor near-term demand outlook due to delays in decision making, traders say.
Tata Consultancy Services fell 1.6 percent, while Infosys ended 0.3 percent lower.
The Sensex provisionally rose 0.11 percent to 17,417.63 points.
The Nifty rose 0.18 percent to 5,287.95 points.