Shares in State Bank of India fell as much as 4.3% and headed towards their biggest single day percentage fall since June 16, on worries that the country's biggest lender would post disappointing earnings on Friday.
Traders cited market concerns about the lender's net interest margins and expressed worries SBI would post a rise in non-performing loans in the April-June quarter.
Shares in SBI were last down 3.6%, under-performing the 0.3% fall in the NSE index.