The Nifty Oil & Gas index has 15 stocks: Reliance Industries, ONGC, BPCL, HPCL, IOC, GAIL, Petronet LNG, IGL, MGL, GSPL, Aegis Logistics, Adani Total Gas, Castrol India, Oil India, and Chennai Petroleum. NSE India maintains this index as the benchmark for India's oil, gas, and petroleum sector.
What Is the Nifty Oil & Gas Index?
The Nifty Oil & Gas index tracks 15 companies across India's petroleum value chain — from upstream oil exploration to refining, marketing, and city gas distribution. It is free-float market cap weighted and rebalanced semi-annually by NSE India.
All 15 Nifty Oil & Gas Stocks — Complete List
| Company | NSE Symbol | Segment | Earnings Page |
|---|---|---|---|
| Reliance Industries Ltd. | RELIANCE | O2C + Telecom + Retail + Green Energy | RELIANCE/earnings |
| ONGC Ltd. | ONGC | Upstream exploration & production | ONGC/earnings |
| Bharat Petroleum Corp Ltd. | BPCL | Refining + Fuel retail (petrol pumps) | BPCL/earnings |
| Hindustan Petroleum Corp Ltd. | HINDPETRO | Refining + Fuel retail | HINDPETRO/earnings |
| Indian Oil Corporation Ltd. | IOC | Refining + Fuel retail + Pipelines | IOC/earnings |
| GAIL (India) Ltd. | GAIL | Gas transmission + Distribution + Petrochemicals | GAIL/earnings |
| Petronet LNG Ltd. | PETRONET | LNG import and regasification | PETRONET/earnings |
| Indraprastha Gas Ltd. | IGL | CNG / PNG distribution (Delhi-NCR) | IGL/earnings |
| Mahanagar Gas Ltd. | MGL | CNG / PNG distribution (Mumbai) | MGL/earnings |
| Gujarat State Petronet Ltd. | GSPL | Gas transmission (Gujarat pipeline) | GSPL/earnings |
| Aegis Logistics Ltd. | AEGISLOG | LPG / Chemical logistics terminals | AEGISLOG/earnings |
| Adani Total Gas Ltd. | ATGL | City gas distribution (pan-India) | ATGL/earnings |
| Castrol India Ltd. | CASTROLIND | Lubricants / Motor oils | CASTROLIND/earnings |
| Oil India Ltd. | OIL | Upstream exploration (Northeast India) | OIL/earnings |
| Chennai Petroleum Corp Ltd. | CHENNPETRO | Refining (Tamil Nadu) | CHENNPETRO/earnings |
Understanding the Sub-Segments
Upstream (ONGC, Oil India): Explore and produce crude oil and natural gas. Revenue directly tied to crude oil price. Both are government-owned PSUs with significant dividend obligations.
Downstream Refining & Marketing (BPCL, HPCL, IOC, Chennai Petroleum): Buy crude, refine into petrol/diesel/LPG, and sell through petrol pumps. Government controls retail fuel prices — creating marketing margin risk when crude spikes. IOC is India's largest oil company by revenue.
Reliance Industries: Technically an oil & gas company through its O2C (Oil to Chemicals) refining complex in Jamnagar — the world's largest refinery. But Reliance is a conglomerate — Jio (telecom) and Retail contribute more to market cap than O2C.
Gas Distribution (IGL, MGL, GAIL, GSPL, Adani Total Gas, Petronet): City Gas Distribution (CGD) companies supply CNG for vehicles and PNG for households. IGL covers Delhi-NCR, MGL covers Mumbai. These are regulated businesses with stable margins — considered the most defensive part of the oil & gas sector.
Speciality (Castrol, Aegis Logistics): Castrol is a lubricants business (Shell-Castrol brand). Aegis Logistics operates LPG and chemical terminals.
Key Drivers of Nifty Oil & Gas Performance
- Global crude oil price (Brent) — most important macro variable for upstream and refining margins
- INR/USD rate — crude is priced in USD; a weaker INR raises import cost for refiners
- Government pricing policy — retail fuel price control impacts BPCL, HPCL, IOC margins
- Natural gas price (Henry Hub, international LNG) — impacts GAIL, Petronet, IGL, MGL
- India's energy transition — CNG adoption, green hydrogen push reshaping long-term demand
How to Research Oil & Gas Stocks on StockMirror
Oil & gas earnings calls reveal refining margins (GRM), gas volumes, and management's stance on capex and government policy. The StockMirror AI Analyst can compare BPCL and HPCL on earnings quality and management tone in Q4 FY26. The /screener shows Margin Direction for all 15 Nifty Oil & Gas companies — critical when crude prices are volatile.
For the Reliance Industries Q4 FY26 earnings analysis, see /RELIANCE/earnings.
Key Takeaways
- Nifty Oil & Gas has 15 stocks spanning upstream, downstream refining, gas distribution, and specialty
- Reliance dominates by market cap; PSU companies (ONGC, BPCL, HPCL, IOC) dominate by volume
- City gas distribution (IGL, MGL) is the most defensive and growth-oriented sub-segment
- Government pricing policy is the biggest risk for downstream PSU companies
- India's energy transition toward CNG and green hydrogen reshapes long-term outlook for the sector
FAQ
What stocks are in Nifty Oil & Gas? 15 stocks: Reliance, ONGC, BPCL, HPCL, IOC, GAIL, Petronet LNG, IGL, MGL, GSPL, Aegis Logistics, Adani Total Gas, Castrol India, Oil India, Chennai Petroleum.
How many stocks are in Nifty Oil & Gas? 15 stocks across upstream, refining, gas distribution, and speciality segments.
What is the largest Nifty Oil & Gas stock? Reliance Industries by market cap. IOC is the largest by revenue.
How does crude oil price affect these stocks? Upstream (ONGC, Oil India) benefits from higher crude. Refiners (BPCL, HPCL) can be squeezed when crude rises under regulated fuel prices. Gas distributors (IGL, MGL) are largely insulated.
Are oil and gas stocks good for long-term investors? City gas (IGL, MGL) is defensive with regulated growth. PSU oil companies offer high dividends but face policy risk. Research each stock at /screener.
Disclaimer: This article is for informational purposes only and does not constitute investment advice. Always do your own research before making investment decisions.