Reliance Industries, India’s biggest company in terms of market capitalisation, churned out another billion dollar profit in the September quarter thanks to robust growth in gross refining margins and petrochemical revenues.

But the quarter was bittersweet in terms of widening loss at its telecom unit Reliance Jio and rise in the outstanding debt.

Here are 10 key takeaways from Reliance Industries’ Q2 earnings

Net profit: Consolidated net profit of the company increased 12.48 per cent year-on-year (YoY) to Rs 8,109 crore for the quarter ended September 30 against Rs 7,209 crore in the corresponding quarter last year. However, it reported 11 per cent fall in net profit on a quarter-on-quarter basis.

Revenue: Topline figures of the oil-to-telecom behemoth jumped 23.90 per cent YoY to Rs 10,169 crore on a consolidated basis during the quarter under review. It had reported revenue of Rs 81,651 crore in the same quarter last year.

Jio update: RIL’s telecom arm, Reliance Jio saw its net losses widening to Rs 270.59 crore in the July-September quarter this fiscal against a net loss of Rs 21.3 crore in the preceding quarter. The total income of Reliance Jio stood at Rs 6,148.73 crore in the quarter under review.

Subscriber addition and ARPU: The telecom unit added 15.3 million subscribers in digital services with ARPU at Rs 156.40 per subscriber per month.

GRM@9-year high: The second quarter revenue from the refining and marketing segment increased by 15.3 per cent YoY to Rs 69,766 crore. Segment EBIT increased by 10.8 per cent YoY to Rs 6,621 crore, supported by higher volumes and strong transportation fuel cracks. Gross Refining Margins (GRM) for the quarter ended September 30, 2017 stood at nine-year high of $12 per barrel as against $10.1 per barrel in same quarter last year. RIL’s GRM outperformed Singapore complex margins by $3.7 per barrel.

Debt: The outstanding debt stood at Rs 2,14,145 crore as of September 30 against Rs 1,96,601 crore as of March 31, 2017.

Credit rating: RIL retained its domestic credit ratings of “CRISIL AAA” from CRISIL and “Ind AAA” from India Rating and an investment grade rating for its international debt from Moody’s as Baa2 and BBB+ from S&P.

Petchem revenue: For July-September period, revenue from the petrochemicals segment increased by 24.9 per cent YoY to Rs 27,999 crore due to higher volumes in the polyester chain and firm prices. Petrochemicals segment EBIT came in at a record of Rs 4,960 crore due to strong volume growth, higher margins and improved product mix with ethane cracking stabilising at Dahej and Hazira.

KG-D6: The block produced 0.18 MMBBL of crude oil and 17.7 BCF of natural gas in 2Q FY18, a reduction of 31 per cent and 30 per cent respectively on a Y-o-Y basis.

From the desk of CMD: While commenting on Q2 results of RIL, Chairman and Managing Director Mukesh Ambani said, “Our company reported another quarter of robust performance. I am delighted to share that this includes the financial performance of Reliance Jio which had a positive EBIT contribution in its first quarter of commercial operations. The results also reflect strong underlying fundamentals of our refining and petrochemicals businesses.”