The stock closed the day 3.31 per cent down at Rs 1,041.30 on BSE. During the day, it dipped 3.62 per cent to Rs 1,038 apiece.
On NSE, it slipped 3.25 per cent to end at Rs 1,041.25.
Led by the decline in the stock price, the company's market valuation tumbled by Rs 11,579.7 crore to Rs 3,37,755.30 crore.
The stock was the worst hit among the bluechips on both Sensex and Nifty.
RIL yesterday reported a 3.6 per cent rise in its third quarter net profit after a dip in refinery margins was offset by robust petrochemical earnings.
Consolidated net profit of Rs 7,506 crore, or Rs 25.4 a share, in October-December, was 3.6 per cent higher than Rs 7,245 crore, or Rs 24.5 per share, in the same period a year back, the company said in a statement.
RIL, which owns the world's largest refining complex, earned USD 10.8 on turning every barrel of crude oil into fuel as compared to a gross refining margin (GRM) of $11.5 in third quarter of 2015-16 fiscal.
Turnover was up 16.1 per cent at Rs 84,189 crore.
Standalone profit for the December quarter was up 10 per cent at Rs 8,022 crore.