For decades, India remained one of the world's largest importers of defence equipment, relying heavily on foreign suppliers for fighter aircraft, radar systems, missiles, and surveillance technologies.
That is now changing rapidly. Rising geopolitical tensions, border security concerns, and the government's push for self-reliance are driving a structural shift in India's aerospace and defence ecosystem.
The opportunity is expanding globally as well. Global military spending touched a record US$ 2.9 trillion (tn) in 2025, marking the 11th consecutive year of growth.
Aerospace is increasingly emerging as a key growth driver within the broader defence push.
Segments such as radar electronics, electronic warfare systems, drones, avionics, and space technologies are experiencing strong demand, driven by rising modernisation requirements.
The Indian radar market is projected to grow at a CAGR of 20.6% between 2024 and 2033.
The electronic warfare market is also expected to expand at a 7% CAGR (2024-2029), supported by rising investments in advanced surveillance, avionics, and combat systems.
The company designs, develops, manufactures, repairs, and services a wide range of aerospace products, including aircraft, helicopters, aero-engines, avionics, accessories, and aerospace structures.
Its flagship platforms include the Light Combat Aircraft (LCA) Tejas Mk1A, the Advanced Light Helicopter Dhruv, the Light Utility Helicopter (LUH), the Hindustan Turbo Trainer (HTT-40), and the Dornier Do-228.
Manufacturing activities contribute around 23-24% of the company's total turnover. Maintenance, Repair, and Overhaul (MRO) Services is HAL's largest segment, accounting for 70% of revenue.
The company is also expanding into the commercial civil aviation MRO market by establishing a facility in Nashik to conduct 'C checks' for the Airbus A320 family of aircraft in collaboration with Airbus.
According to the Q4 earnings call transcript, HAL maintains a highly robust order book of Rs 2.3 tn. This provides revenue visibility for over 7 years, based on FY25 revenue of Rs 309.8 bn.
The order pipeline stretches through FY30, creating a total addressable market opportunity of nearly Rs 4.2 tn. This includes Tejas Mk2 (Rs 680 bn) and Sukhoi-30 Mk1 Upgrades (Rs 630 bn).
Of this, projects worth a total of Rs 1.7 tn are expected over the next 2-3 years and Rs 2.4 tn over 5-6 years. This includes an order for 145 aircraft for the Indian Navy, estimated at Rs 1.45 tn. The goal is to unveil the prototype in late 2026 or early 2027, while induction into the fleet is planned for 2034.
An anticipated Rs 1 tn procurement of 400 multi-utility units by the Indian armed forces to replace the aging Mi-17 helicopters.
To secure long-term stability, HAL is targeting export markets, including Africa, Southeast Asia, and Latin America. This initiative aims to diversify its revenue base, reduce reliance on Indian defence spending, and foster an export-led growth model.
#2 Bharat Electronics
Second on the list is Bharat Electronics.
Bharat Electronics (BEL) is a Navratna PSU that manufactures aerospace and defence electronics systems for India's military and strategic programs.
The company is a market leader in the domestic defence electronics sector. The defence sector is BEL's core business, consistently accounting for 90%-94% of revenue. Its extensive portfolio includes Radars, Missile Systems, Defence Communication, Electronic Warfare & Avionics.
As a supplement to its core defence revenue, BEL also serves the civilian market, including the space and cybersecurity sectors. This accounts for approximately 6% of its revenue.
BEL earns the majority (96-97%) of its revenue from India. It aims to increase export turnover to 10% of revenue in the future, from the current 3-4%.
BEL maintains a highly robust and growing order book. As of 28 January 2026, BEL's order book stands at Rs 734.5 bn. This provides revenue visibility of around 3 years, based on FY25 revenue of Rs 237.7 bn.
As per the Q3 FY26 earnings call transcript, management is confident of crossing Rs 270 bn to receive inflows for FY26. The order book is expected to be boosted by contracts over the next 12-18 months.
Looking ahead, BEL is tracking over 30 items that represent a minimum of Rs 10+ bn in business each.
This will be supported by projects like the "Kusha" indigenous S-400 program, which is expected to materialize around 2028-2029.
BEL has partnered with L&T on the Advanced Medium Combat Aircraft project. L&T is the lead bidder.
The company is also the lead bidder for the Akash-NG missile.
For more details, see the BEL company fact sheet and quarterly results.
#3 Bharat Dynamics
Third on the list is Bharat Dynamics (BDL).
BDL is a Government of India company operating under the Ministry of Defence. It serves as a manufacturing base for guided missile systems and allied equipment for the Indian Armed Forces.
It's focused on the design, development, and production of sophisticated defence hardware. Its product portfolio includes missile systems, underwater weapons, avionics, and aeroengines.
BDL is moving beyond simple hardware sales to provide comprehensive lifecycle management and customised solutions for its international clients. The company has outlined a roadmap for scaling its operations through the end of the decade.
Historically, exports accounted for less than 10% of BDL's revenue. It's now targeting a 25% export share by FY30 by strengthening ties with friendly nations.
As per the Q3 FY26 earnings report, BDL's order book stood at about Rs 255 bn (as of December 2025). This provides revenue visibility for over 5 years, based on FY25 revenue of Rs 33.5 bn.
The order prospects for BDL remain strong. The company expects an additional Rs 40-50 bn in orders to materialize in 4Q FY26 alone.
The management has projected an order pipeline of roughly Rs 500 bn over the next 5 years. In the next 2-3 years, the company is targeting Rs 200 bn in new orders.
Major contributors to this pipeline are QRSAM, Astra Mk1, Nag ATGM, and Varunastra torpedoes.
Successful user evaluation trials for the Surface-to-Surface Missile 'Pralay', Akash NG, Advanced Lightweight Torpedo, and Very Short-Range Air Defence System are either complete or in the final stages.
These successful trials are expected to enhance order visibility, reduce execution risk, and support a stronger revenue ramp-up once the contracts are formally awarded.
To facilitate longer-term growth and execution of its diversified portfolio, BDL is commissioning two new manufacturing facilities in Jhansi and near Hyderabad. This is expected to be ready by mid-FY27.
The management has guided for a cumulative capex of Rs 25-30 bn over the next 3-4 years. This is directed toward infrastructure, capacity augmentation, and land acquisitions for future expansion.
Check out BDL's company factsheet and quarterly results to know more.
#4 Data Patterns
Fourth on the list is Data Patterns.
Data Patterns (India) is a fully integrated defence and aerospace electronics solutions provider.
The company designs and manufactures radars, electronic warfare, avionics, missile seekers, space and test equipment, and communication systems.
Data Patterns develops IP-driven (Intellectual Property) products rather than just trading or integrating third-party parts. It designs reusable building blocks, such as antennas and transmit/receive modules, which they then use to assemble complete defence systems.
By developing these building blocks internally, it retains high margins and offers cost-effective solutions.
Beyond India, it's expanding its international footprint by executing export orders for clients in the UK and other European markets.
According to Data Patterns' Q3 FY26 earnings presentation, the order book stood at a record high of Rs 18.7 bn. The order book covers nearly 2 years of revenue, based on FY25 revenue of Rs 7 bn.
Radars make up (62%) of the order book, followed by Electronic Warfare (12%), Avionics (10.4%), Annual Maintenance Contracts (6%), Fire Control Systems (2.7%), and Automated Test Equipment (2.6%).
Looking ahead, the order pipeline stands at between Rs 20-30 bn over the next 24 months. Of this, about Rs 11 bn worth of orders have already been negotiated and finalised. Another Rs 5 bn worth of orders were expected by the end of Q4 FY26.
Management stated that its internally funded development programs, including next-generation fire control radars and airborne electronic warfare suites, target a significant market opportunity. They estimate the total addressable market (TAM) for these programs at Rs 150-200 bn.
The management expects its current development orders to translate into multi-thousand-crore repeat production orders over the next 3-5 years. This is likely once these systems complete flight certification and enter active service.
Check out the Data Pattern company factsheet and quarterly results to know more.
#5 AXISCADES Technologies
AXISCADES Technologies is a technology and embedded product development company. It serves as a global Original Equipment Manufacturers (OEMs) and Tier 1 suppliers.
In the aerospace sector, it provides design, engineering, and manufacturing support. It designs and develops complex defence technology, including missiles, avionics, and unmanned systems.
The Embedded Systems and Artificial Intelligence domain delivers chip-to-product solutions for global semiconductor OEMs and hyperscalers.
In 9M FY26, defence accounted for 38% of revenue, followed by aerospace (30%), Heavy Engineering & Automotive (18%), ESAI (11%), and Energy (4%).
It aims to reach 25% margins. It aims to achieve this by moving away from lower-margin services (18.5%) and towards higher-margin products and solutions, generating margins of above 25-30%.
The revenue mix is currently 39% from Products (manufacturing) and 61% from Services. It aims to flip this share to 80:20 by FY28.
According to the Q3 FY26 earnings call, the company has visibility of around Rs 34 bn. Management plans to execute this by FY27.
In addition, the order pipeline stood at Rs 140 bn. Management expects an overall conversion ratio of 50-60% for this pipeline. This pipeline is for the next 4 years and is driven by submitted bids, long-term relationships, and upcoming contracts with foreign OEMs.
To execute this product-led expansion, the company expects its new manufacturing and integration facilities to act as major growth multipliers. One of India's largest private radar plants is expected to be ready by Q3 FY27.
The company is also setting up an 8-acre facility in Hyderabad. This facility is being built in collaboration with a leading global missile manufacturer, which is acting as a technology partner.
An ESAI plant is already operational and is securing partnerships with global leaders and hyperscalers.
Check out Axiscades' company factsheet and quarterly results to learn more.
Bottomline
India's aerospace and defence sector is entering a long-term investment and manufacturing cycle.
This is driven by geopolitical tensions, global military spending, and the government's push for self-reliance. India has allocated Rs 7.8 tn for defence in FY27 and increased focus on domestic procurement.
Opportunities across radars, avionics, missiles, drones, and electronic warfare systems are expanding.
As space, surveillance, and combat technologies gain importance, companies with strong order books, execution capabilities, and technological depth are well positioned in this structural growth trend.
Nonetheless, instead of relying solely on hype, investors need to carefully analyse the company's fundamentals, including financial performance, corporate governance practices, and growth strategies.
Happy investing.
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