The stock tanked 7.20 per cent to settle at Rs 836 on BSE. During the day, it plummeted 8.78 per cent to Rs 821.70.
On NSE, shares of the company plunged 7.35 per cent to end at Rs 836.55.
The company's market valuation fell by Rs 2,343.24 crore to Rs 30,218.76 crore.
On the volume front, 1.39 lakh shares of the company were traded on BSE and over 10 lakh shares changed hands on NSE during the day.
The airline's net profit declined even as total income from operations jumped to Rs 4,986.49 crore in the third quarter of the current financial year.
It had a net profit of Rs 650.34 crore on total income of Rs 4,297.76 crore in the quarter ended December 2015.