As of May 31, 2025, petrol and diesel prices remain dynamic, influenced by a combination of global factors and local conditions. The dynamic fuel pricing system, implemented in June 2017, continues to ensure daily revisions at 6 AM, promoting transparency and curbing speculative practices in the market.

In New Delhi, the petrol price stands at ₹94.72 per litre, showing slight volatility over the month. Throughout May 2025, prices in Delhi fluctuated between ₹94.72 and ₹94.77. This stability indicates a consistent market with minimal price surges, benefiting consumers in the capital.

Contrastingly, in Bihar, petrol is priced at ₹106.21 per litre. The prices in Bihar experienced minor fluctuations, ranging from ₹106.19 to ₹106.30 during May 2025. These variations, although small, reflect the impact of regional economic factors and state taxes on fuel costs.

Chennai reports a petrol price of ₹100.80 per litre and diesel at ₹92.39 per litre. These prices have remained relatively stable, mirroring trends observed in other major cities. Similarly, Bhubaneswar records petrol at ₹101.32 per litre and diesel at ₹92.11 per litre, holding steady for the second consecutive day.

Tamil Nadu reflects diverse diesel pricing trends. The month saw diesel prices fluctuating, with the highest recorded rate at Rs. 94.45 and the lowest at Rs. 92.39. The closing price for diesel on May 31st was Rs 93.65 per litre.

Several factors contribute to these prices. Brent crude oil prices, the rupee-to-US dollar exchange rate, and geopolitical tensions significantly impact fuel costs. Domestic elements such as changes in excise duty, state taxes, and overall demand also play crucial roles. Additionally, gross refining margins and dealer commissions are integrated into the price calculation.