Multiple choice The leading Indian company in field of M-cap is ONGC Indian Oil Reliance Industries Ltd. State Bank of India Reveal answer Fill a bubble to check yourself C Correct answer Explanation Reliance Industries Ltd. (RIL) has been India's leading company by market capitalization across most sectors, driven by its dominance in petrochemicals, refining, and later oil & gas exploration, making it the most valuable Indian company by M-cap.