Petrol Diesel Price Today, October 12, 2026: Petrol and diesel prices showed mixed movements across several Indian cities on Monday, October 12. While fuel rates remained unchanged in many locations, motorists in Patna reportedly received noticeable relief as both petrol and diesel became cheaper.

According to the latest supplied fuel price report, petrol in Patna declined by ₹1.18 per litre to ₹113.37, while diesel became cheaper by ₹1.13 per litre, reaching ₹99.36.

However, motorists in Ranchi experienced the opposite trend. Petrol and diesel prices increased by ₹0.40 per litre each, reaching ₹106.59 and ₹101.71, respectively.

In Mumbai, petrol registered a marginal increase of ₹0.03 to ₹111.21 per litre, while diesel remained unchanged at ₹97.83.

Here is the detailed petrol and diesel price list for October 12, 2026, covering Delhi, Mumbai, Kolkata, Chennai, Patna, Ranchi, Lucknow, Noida, and other major cities.

Petrol Diesel Price Today: Major Changes on October 12

Patna petrol

₹113.37/L

₹1.18 cheaper

Patna diesel

₹99.36/L

₹1.13 cheaper

Ranchi petrol

₹106.59/L

₹0.40 costlier

Ranchi diesel

₹101.71/L

₹0.40 costlier

Reported October 12 prices compared with October 11, 2026. All amounts are per litre.

Petrol Price Today, October 12: Full City-Wise Rate List

Petrol prices showed relatively small movements in most cities, although Patna recorded a sharper decline.

Lucknow witnessed an increase of ₹0.37 per litre, while Ranchi reported a ₹0.40 rise.

Meanwhile, petrol prices remained unchanged in New Delhi, Kolkata, Noida, Gurugram, Bengaluru, and several cities in Bihar and Jharkhand.

All prices are in rupees per litre and reflect the figures provided in the supplied October 12 report.

Diesel Price Today, October 12: Check Latest Rates in 19 Cities

Diesel prices also displayed a mixed trend.

Patna recorded a reduction of ₹1.13 per litre, while Ranchi saw an increase of ₹0.40.

Lucknow experienced a ₹0.39 rise, and Bhopal recorded a smaller increase of ₹0.06 per litre.

Prices remained unchanged in several major cities, including New Delhi, Mumbai, Kolkata, Chennai, and Bengaluru.

Petrol Diesel Prices in Delhi, Mumbai, Kolkata and Chennai

Fuel prices in India's four major metropolitan cities remained largely stable in the supplied report.

In New Delhi, petrol was quoted at ₹102.12 per litre, while diesel stood at ₹95.20.

Mumbai recorded petrol at ₹111.21 per litre following a marginal increase of three paise. Diesel remained at ₹97.83.

In Kolkata, petrol and diesel were reported at ₹113.51 and ₹99.82 per litre, respectively.

Chennai recorded petrol at ₹107.77 after a one-paisa increase, while diesel remained unchanged at ₹99.55 per litre.

These differences illustrate how fuel prices can vary between cities even when international crude oil prices follow the same overall trend.

Patna Fuel Price Today: How Much Can Motorists Save?

The reported reduction in Patna could provide noticeable savings for motorists purchasing larger quantities of fuel.

With petrol becoming cheaper by ₹1.18 per litre, a motorist filling 10 litres would save ₹11.80 compared with the previous day's quoted price.

For a 40-litre purchase, the difference would be ₹47.20.

Similarly, diesel's ₹1.13 per litre decline would reduce the cost of 40 litres by ₹45.20.

These are straightforward calculations based on the reported price changes.

Actual fuel expenditure will continue to depend on consumption, vehicle mileage, and the prevailing pump price.

Ranchi Fuel Prices Rise: Petrol and Diesel Costlier

Unlike Patna, Ranchi experienced an increase in both petrol and diesel prices.

Petrol rose from ₹106.19 to ₹106.59 per litre.

Diesel increased from ₹101.31 to ₹101.71 per litre.

This represents a rise of 40 paise per litre for both fuels.

Although the increase may appear small, frequent price movements can affect households, transport operators, and businesses that consume substantial quantities of fuel.

Why Do Petrol and Diesel Prices Differ Across Cities?

Petrol and diesel prices in India are influenced by several factors.

International crude oil prices are important because India imports a large proportion of its crude oil requirements.

Currency exchange rates also matter, particularly movements in the Indian rupee against the US dollar.

Domestic fuel prices are further influenced by central and state taxes, dealer commissions, and transportation-related expenses.

State-level tax structures are one reason petrol and diesel may be priced differently in neighbouring cities.

Local pricing adjustments can also produce small day-to-day changes.

How Can Consumers Check the Latest Petrol and Diesel Rates?

Consumers can verify fuel prices through the official channels of oil marketing companies such as Indian Oil, Bharat Petroleum, and Hindustan Petroleum.

Fuel prices are generally updated through the companies' established pricing systems.

Motorists can also check rates displayed at authorised petrol pumps.

Because fuel prices can vary by city and sometimes by retail location, confirming the latest local price before refuelling is advisable.

Petrol Diesel Price Today: Final Update for October 12

The October 12 fuel price report shows a mixed trend across major Indian cities.

Patna recorded the most noticeable relief among the listed locations, with petrol cheaper by ₹1.18 and diesel by ₹1.13 per litre.

Ranchi saw an increase of ₹0.40 per litre for both fuels, while Lucknow and Bhopal also recorded smaller price increases.

In contrast, rates remained unchanged across several major markets, including New Delhi, Kolkata, and Noida.

The key takeaway: Fuel prices are not moving uniformly across the country. Motorists should check their city's latest petrol and diesel rates rather than assuming that a price change in one location applies nationwide.

Disclaimer: This article is based on the supplied October 12, 2026 fuel price report. The quoted rates have not been independently verified against live oil marketing company data and may differ from prices displayed at individual retail outlets.