The stock opened the day on a positive note but later fell by 1.24 per cent to Rs 1,012.25 on BSE.
At the NSE, shares of the company were down 1.31 per cent to Rs 1,011.55.
On Friday, RIL had reported a standalone net profit of Rs 6,318 crore or Rs 19.5 per share in April-June quarter, which was 11.8 per cent higher than Rs 5,649 crore or Rs 17.5 a share in the same period a year ago.
Revenue fell 26 per cent to Rs 77,130 crore, hurt by a sharp fall in prices of crude oil and petroleum products, the company had said in a statement.
Consolidated net profit rose 4.4 per cent to Rs 6,222 crore in April-June quarter of the current fiscal as against Rs 5,957 crore a year ago, the statement said.
In the broader market, the BSE Sensex was quoting 326.60 points down at 27,760.89.