The stock slumped 8.37 per cent to settle at Rs 562.45 on BSE. During the day, it plunged 8.7 per cent to Rs 560.35.
On NSE, it dropped 8.57 per cent to close at Rs 561.55.
The company's market valuation fell by Rs 861.36 crore to Rs 9,439.64 crore.
On the volume front, 4.60 lakh shares of the company were traded on BSE and over 50 lakh shares changed hands on NSE during the day.
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The Bengaluru-based firm's net profit stood at Rs 128.3 crore in the April-June 2015 quarter. Its revenue grew 35.8 per cent to Rs 1,327.6 crore in the quarter under review from Rs 977.5 crore in the year-ago period.
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