Indian Power and Energy Sector

Correct answer is (4). 

The Tarapur Atomic Power Station, located in Maharashtra, was the first commercial nuclear power station built in India, commissioned in 1969.

NTPC (National Thermal Power Corporation) is India's largest power generation company.

This is the correct answer as both statements are correct. Hydroeclectric power in India contributes approximately 22 per cent of the total electricity produced. Much of the energy required for industrial use comes from hydroelectric power.

Reliance Industries faced delays in the D6 gas field production primarily due to technical challenges and geological complexities in the Krishna-Godavari basin.

Option (3) is the correct answer.

The Gondwana rock system contains the vast majority of India's coal reserves, formed during the Carboniferous period.

The Dibang Multipurpose Project is a major hydroelectric project located in the Dibang Valley district of Arunachal Pradesh. It is designed to be one of the largest hydropower projects in India.

The Talwandi Sabo Thermal Power Plant in Punjab was developed to supply power primarily to the Punjab State Electricity Board (PSEB).

The Talwandi Sabo Power Limited (TSPL) project was developed by Sterlite Energy, a subsidiary of Vedanta Limited, on a Build-Own-Operate basis.

The Talwandi Sabo Thermal Power Plant project was scheduled for commissioning in phases, with the initial completion targets set around 2013.

The Talwandi Sabo Thermal Power Plant is a major power project located in the Mansa district of Punjab. It is a coal-based power plant developed by Vedanta Limited.

Biogas is widely promoted in rural India as a cost-effective, clean, and sustainable fuel source derived from organic waste.

Water (hydroelectric power) and thermal sources are major contributors to India's power generation, with water being a primary renewable source.

Gujarat is a major hub for petroleum refining and production in India, housing some of the largest refineries in the country.