Which amongst the following now decide the oil-prices in India?

The correct answer is D) Oil Companies. Petrol was decontrolled in June 2010 and diesel in October 2014. Since then, Oil Marketing Companies such as IOC, BPCL and HPCL revise retail prices in line with international crude prices, the rupee-dollar rate and their own costs. The Ministry of Petroleum and Natural Gas oversees the sector but no longer fixes pump prices for these fuels.

Why the others are wrong:

• A) Ministry of Finance: it sets central excise and customs duties, which affect the final price, but it does not set the base pricing.
• B) State Governments: states levy VAT and sales tax on petroleum products, so they influence the retail price, but they do not decide the oil price.
• C) Ministry of Petroleum: it frames policy and monitors the sector, but it has stepped back from administering pump prices of petrol and diesel.

Core concept: deregulation of administered pricing. This links to Mains GS-3 on energy security, subsidy reform and fiscal burden. Domestic LPG and kerosene still carry administered or subsidised pricing, so do not generalise from fuels to every petroleum product.

Trap: candidates pick the ministry because pricing sounds like a government function, and miss that the government deliberately withdrew from pump-price control.