The state-run firm had posted a net loss of Rs 1,108.55 crore for the corresponding period a year ago, it said in a filing to the BSE.
The company had reported a net loss of Rs 7.41 crore in the year-ago period.
Total income in the first half of the current fiscal was up 4.57 per cent at Rs 4,630.36 crore as against Rs 4,427.70 crore in the same period last year.
OIL's turnover was lower at Rs 2,720.92 crore in theJuly-September quarter of 2016-17 as compared to Rs 2,960.77 crore in the year-ago period.
The 103% jump in net profit in its decade-old history was primarily driven by an increase in operating margins to 24% while cost declined 10%.
Jindal Poly Films manufactures polyester (PET) and polypropylene (OPP) films used in packaging.
Aditya Birla Fashion and Retail (ABFRL), formerly known as Pantaloons Fashion, reported 6.97 per cent increase in net profit at Rs 64.89 crore for the September quarter.
Total income increased to Rs 1,324.21 crore for the quarter under review against Rs 1,179.4 crore in the year-ago period.
The firm has completed the acquisition of Reliance Infra's cement business during the September quarter.