6 Defence Stocks to Watch as India Pushes for Indigenous Engines, Radar and Electronic Warfare Systems
India’s defence sector is receiving increased attention as the government focuses on domestic manufacturing, advanced military technologies and reducing dependence on imported equipment. The development of indigenous aircraft engines, radar systems and electronic warfare technologies could create opportunities for companies involved in defence electronics, precision engineering and specialised components.
However, these opportunities will depend on the companies’ participation in specific defence programmes, the scale of orders they secure, their technological capabilities and their ability to execute projects. The following six stocks have businesses that are relevant to different parts of India’s defence indigenisation drive.
1. Hindustan Aeronautics Limited (HAL): Indigenous Aircraft Engine Development
Hindustan Aeronautics Limited is a defence public sector undertaking involved in the design, manufacture, repair and overhaul of aircraft, helicopters, engines and related aerospace systems. The company is relevant to India’s efforts to develop domestic aircraft-engine capabilities, although developing a complete indigenous engine remains a technologically demanding, long-term process.
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On October 6, 2026, Defence Minister Rajnath Singh witnessed HAL’s Koraput Division deliver its 2,000th aero-engine, marking six decades of engine manufacturing. The division has powered fighter jets such as the MiG-21, MiG-29 and Su-30MKI and overhauled more than 9,000 engines.
To boost indigenous aerospace manufacturing, the government announced Rs. 335 crore to increase annual Su-30MKI engine production from 30 to 50, Rs. 218 crore for a second Shakti engine production line by 2028–29, and an ongoing Rs. 5,000 crore indigenous high-thrust engine programme to support self-reliance in platforms such as the AMCA.
With a market capitalisation of Rs. 3,11,716 cr, the shares of Hindustan Aeronautics Ltd closed at Rs. 4661 per share, up from its previous close of Rs. 4,646.40 per share.
2. MTAR Technologies: Precision Components for Aerospace and Defence
MTAR Technologies manufactures high-precision engineering components and assemblies for aerospace, defence, clean energy and other technology-intensive industries. Its defence-related capabilities include supplying components for military aircraft programmes and developing specialised assemblies.
MTAR has delivered 5-tonne and 10-tonne actuators for the Light Combat Aircraft (LCA) Tejas programme. It has also commenced development of combustor assemblies for a scramjet engine, expanding its work in advanced propulsion technologies. These capabilities could create opportunities as India increases domestic manufacturing of aircraft and associated systems.
However, supplying components for aircraft and engine programmes is different from manufacturing a complete engine. The potential benefits will depend on programme requirements, order volumes, execution and the company's ability to scale production.
With a market capitalisation of Rs. 23,970 cr, the shares of MTAR Technologies Ltd closed at Rs. 7792.70 per share, down from its previous close of Rs. 7,816 per share.
3. Bharat Electronics Limited (BEL): Radar and Electronic Warfare Systems
Bharat Electronics Limited is a defence electronics manufacturer that supplies radar systems, communication equipment, electronic warfare systems, avionics and other military technologies. Its products serve applications across land, air and naval defence.
The company manufactures surveillance and weapon-locating radar systems that help detect, track and identify potential threats. Rising demand for air-defence networks, battlefield surveillance and improved situational awareness could support demand for these technologies.
BEL also develops electronic warfare systems that intercept, analyse and locate hostile communications signals and can disrupt enemy communications through jamming.
BEL's established product portfolio makes it relevant to both radar and electronic warfare requirements. Nevertheless, the impact on revenue will depend on fresh orders, contract execution, product mix and the pace of defence procurement.
With a market capitalisation of Rs. 2,69,365 cr, the shares of Bharat Electronics Ltd closed at Rs. 368.50 per share, up from its previous close of Rs. 367.10 per share.
4. Astra Microwave Products: Radar and Electronic Warfare Electronics
Astra Microwave Products specialises in radio frequency (RF), microwave and electronic systems used in defence, aerospace and other applications. Its capabilities include components and subsystems used in radar, electronic warfare and military communication equipment.
Radar and electronic warfare systems rely on specialised electronics to transmit and receive signals, identify threats and process information. Astra Microwave develops components such as transmit-receive modules, power amplifiers, transmitters and frequency converters. These products form important building blocks within larger defence systems.
As India expands indigenous radar, surveillance and electronic warfare capabilities, demand for such specialised components could create opportunities for the company. However, its growth will depend on programme participation, order inflows, customer requirements and the conversion of orders into revenue.
With a market capitalisation of Rs. 15,692 cr, the shares of Astra Microwave Products Ltd closed at Rs. 1652.75 per share, up from its previous close of Rs. 1,630.70 per share.
5. Data Patterns (India): Radar and Electronic Warfare Subsystems
Data Patterns (India) is a defence and aerospace electronics company that designs and manufactures electronic systems, radar subsystems, avionics, communication equipment and electronic warfare solutions.
Its capabilities include radar systems and subsystems, phased-array radar technologies, RF and microwave components, spectrum monitoring and electronic countermeasure systems. These technologies help military platforms detect targets, process radar signals and identify or counter hostile electronic activity.
India's focus on domestic defence electronics could benefit companies that design and manufacture specialised systems for larger military platforms. Data Patterns' product range makes it relevant to radar and electronic warfare programmes, although the actual financial contribution from these opportunities will depend on order wins, delivery schedules and execution.
With a market capitalisation of Rs. 22,873 cr, the shares of Data Patterns (India) Ltd closed at Rs. 4085.70 per share, down from its previous close of Rs. 4,096.55 per share.
6. Paras Defence and Space Technologies: Defence Optics and Specialised Systems
Paras Defence and Space Technologies operates across defence and space optics, defence electronics, electromagnetic pulse (EMP) protection and heavy engineering. Its products include infrared lenses, optical domes, surveillance systems, rugged military computing equipment and specialised engineering components.
These technologies support military applications such as night vision, surveillance, targeting and electronic protection. The company also supplies active-array radar cooling assemblies, antenna structures and other components used in defence electronics and surveillance systems.
Paras Defence could benefit from increased domestic sourcing of specialised components and technologies. However, its role should not be confused with manufacturing complete aircraft engines or radar systems across every category. Its opportunities are concentrated in particular products, subsystems and defence programmes.
With a market capitalisation of Rs. 10,214 cr, the shares of Paras Defence and Space Technologies closed at Rs. 1267.45 per share, up from its previous close of Rs. 1,241.35 per share.
Government Push for Defence Indigenisation
The Union Budget for FY2026-27 allocated a record Rs. 7.85 lakh crore to the Ministry of Defence, including Rs. 1.39 lakh crore for procurement from domestic defence industries. These allocations support the government's broader objective of strengthening domestic manufacturing and reducing dependence on imported defence equipment.
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The government has also pursued higher domestic defence production through indigenisation initiatives, domestic procurement preferences and support for defence research and development. The stated target of Rs. 3 lakh crore in annual defence production by 2029-30 provides a broader policy backdrop for manufacturers and component suppliers.
For investors, the key factors to monitor are actual order inflows, order-book conversion, margins, working-capital requirements and project execution. Government spending and indigenisation targets may create opportunities, but they do not guarantee that every company will secure orders or deliver stronger earnings.