Gujarat has the largest reserves of petroleum in India, accounting for about 58% of the country's total reserves.

Mumbai High is the largest oil field in India, located in the Arabian Sea off the coast of Mumbai.

Mumbai is known as the 'Oil City' of India due to its large concentration of oil refineries and petrochemical industries.

The first commercial oil well in India was drilled in 1889 at Digboi in Assam.

Gujarat has the highest production of natural gas in India, accounting for about 60% of the country's total production.

The Krishna-Godavari Basin is India's largest natural gas field, located in the Bay of Bengal off the coast of Andhra Pradesh.

Surat is known as the 'Gas City' of India due to its large concentration of natural gas processing plants and petrochemical industries.

The first commercial natural gas well in India was drilled in 1961 at Ankleshwar in Gujarat.

Maharashtra has the highest refining capacity of petroleum in India, accounting for about 30% of the country's total refining capacity.

Jamnagar Refinery is India's largest petroleum refinery, located in Jamnagar, Gujarat.

Jamnagar is known as the 'Refinery City' of India due to its large concentration of petroleum refineries.

The first petroleum refinery in India was commissioned in 1938 at Digboi in Assam.

Maharashtra has the highest consumption of petroleum products in India, accounting for about 20% of the country's total consumption.

Indian Oil Corporation is India's largest oil marketing company, accounting for about 50% of the country's total petroleum product sales.

Mumbai is known as the 'Petroleum Capital' of India due to its large concentration of oil companies, refineries, and petrochemical industries.