The stock despite a positive opening surrendered all its early gains and declined 3.78 per cent to Rs 1,904.80 as the trade progressed on BSE.
At NSE, the stock dropped 3.88 per cent to Rs 1,903.
The scrip was the worst hit among the blue chips on both the key indices during the morning trade.
The country's largest software exporter Thursday reported a 22.6 per cent jump in consolidated net profit at Rs 7,901 crore in the July-September quarter, buoyed by strong demand for digital services.
(With inputs from agencies.)