India's Defence Economy
Defence Industrial Corridors
How India's defence corridors in Uttar Pradesh and Tamil Nadu aim to build manufacturing clusters, and the economics of industrial clusters.
In 2018, India announced two defence industrial corridors.
The corridors
- Uttar Pradesh: nodes including Lucknow, Kanpur, Agra, Aligarh, Jhansi and Chitrakoot.
- Tamil Nadu: nodes including Chennai, Coimbatore, Hosur, Salem and Tiruchirappalli.
The idea
- Cluster defence firms, suppliers and testing facilities.
- Offer land, infrastructure and incentives.
- Build on existing industries and skills.
Investments
Firms have announced investments in the corridors, such as BrahMos production in Lucknow, inaugurated in 2025.
Why clusters
Clusters create agglomeration benefits: shared suppliers, skilled workers and knowledge spillovers.
Challenges
- Attracting private investment with uncertain orders.
- Building testing facilities.
- Coordination between central and state governments.
The supplier network
A missile plant opens in Lucknow. Nearby, small firms set up to make components, and local engineering colleges start specialised courses.
Thinking one factory creates a cluster
Clusters need suppliers, skills, testing and steady orders.
Key takeaways
- Two defence corridors were announced in 2018, in UP and Tamil Nadu.
- They aim to cluster firms and suppliers.
- BrahMos production opened in Lucknow in 2025.
- Private investment and coordination are challenges.
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