Reliance Industries – India’s Energy & Telecom Giant: Reliance Industries leads the pack with a market cap of Rs 1.73 lakh crore. Spanning oil exploration, refining, petrochemicals, retail, and digital services, Reliance maintains dominance through its diversified and vertically integrated operations. Key metrics include a TTM EPS of Rs 51.13, PE ratio of 24.96, and a 52-week high of Rs 1,608.80.