The scrip tanked 8.95 per cent to settle at Rs 145.95 on BSE. Intra-day, it slumped 9.51 per cent to Rs 145.05.
At NSE, shares of the company dived 9 per cent to close at Rs 145.95.
The company's market valuation dipped by Rs 3,305.79 crore to Rs 33,629.21 crore.
The state-run bank today reported a massive 60 per cent plunge in standalone net profit to Rs 423.62 crore for the first quarter, hit by higher provisions for bad loans and contingencies.
Gross NPAs were 11.15 per cent of gross advances as of June, up from 4.13 per cent a year ago, and in absolute terms rose to Rs 42,991.68 crore as against Rs 17,273.95 crore a year earlier.