Correct Answer: Assam

Solution : The correct option is Assam.

According to the Ministry of Petroleum and Natural Gas, Assam remains the largest producer of natural gas in India as of 2021–2022. Their official reports state Assam consistently leads with a production of approximately 8.3 million Metric Standard Cubic Metres per Day (MMSCMD). This figure solidifies Assam's crucial role in meeting India's natural gas needs.

Correct Answer: Hindustan Petroleum Corporation Limited

Solution : The correct answer is Hindustan Petroleum Corporation Limited.

Companies that have generated or reported net profits of more than Rs 5000 crore for three straight years, average annual net worth of more than Rs 15000 crore for three years, or average annual revenue of more than Rs 25000 crore are given Maharatna status. With a subscribed capital of Rs. 339.33 crore, HPCL is an enterprise in the public sector. Since being taken over by the Government of India in 1974 and 1976, respectively, the shares are listed on the BSE and NSE and are actively traded.

Correct Answer: Off-shore Bombay High

Solution : The correct option is Off-shore Bombay High.

The offshore oilfield known as "Bombay High"  contributes the most crude petroleum output in India. This major offshore oilfield, located in the Arabian Sea off the west coast of India, is critical to the country's domestic crude petroleum output. It supplies around 63% of total output of India's petroleum. 

Correct Answer: Tobacco and tobacco products

Solution : The correct option is Petroleum products.

In India, petroleum products are subject to both the goods and services tax and the government excise levy. 20% of the cost of fuel and 17.6% of the cost of diesel is the central excise charge. For petrol, the national government charges an excise duty of Rs 32.9 per litre, while for diesel, it is Rs 31.8 per litre. These levies make up around half of the retail price of gasoline and diesel. The sale and manufacture of petroleum products are subject to state and federal taxes, respectively.