New Delhi, Jan. 17 -- India's largest private company Reliance Industries Ltd posted nearly 12% higher net profit in the December quarter as its digital and retail businesses levelled up, and its legacy petrochemicals business showed signs of revival.

The Mukesh Ambani-led conglomerate on Thursday said net profit for the quarter jumped 11.7% from a year earlier to Rs.21,930 crore, beating Bloomberg estimates. Consolidated quarterly revenue was up 7.7% at Rs.2.67 trillion.

"The O2C business showcased its innate resilience, registering growth even in this prolonged period of volatility in the global energy markets," said Ambani, RIL's chairman and managing director.

Over the past year, the conglomerate has struggled to improve margins in...