ONGC is India's largest oil and gas exploration and production company. It aims to make India self-reliant in petroleum through domestic exploration. The document analyzes ONGC's leverage ratios over 5 years, finding operating and financial leverage peaked in 2013-14 when sales were highest. Going forward, ONGC plans $34 billion in investments to boost output as leverage has declined recently. Maintaining high leverage is important for profits and access to financing.