State explorer Oil and Natural Gas Corp
Net income for the company's fiscal first quarter ended June 30 rose to Rs 5,459 crore from Rs 4,782 crore a year earlier.
Upstream state companies such as ONGC and Oil India
The impact of the discounts on profit after tax was Rs 628 crore during the quarter, compared with Rs 7,396 crore in the year-ago quarter.
Net sales for the quarter rose 4.4 percent to Rs 22,696 crore.
($1 = 65.0200 rupees)