NLC India Limited, formerly known as Neyveli Lignite Corporation Limited, is a Navratna public sector enterprise under India's Ministry of Coal. Established in 1956 and headquartered in Neyveli, Tamil Nadu, the company operates as a vertically integrated energy provider with expertise in lignite mining and power generation.NLC manages opencast lignite mines with a capacity of 30.1 million tonnes per year in Tamil Nadu and Rajasthan, utilizing advanced technology for efficient extraction. The company has a total installed power generation capacity of over 6,731 MW, which includes both lignite and coal-based thermal power, as well as 1,000 MW from renewable sources like solar and wind. Additionally, NLC offers consultancy services for mining and solar power projects.NLC plays a crucial role in India's energy security, contributing significantly to both lignite-based and renewable energy generation. With a strong financial performance, the company reported a revenue of ₹8,284 Crore and a profit after tax of ₹1,680 Crore for FY2023.