The K9 Vajra-T programme is often cited as a model for India's Make in India defence initiative. What lessons does it offer for future defence co-production partnerships?

The K9 Vajra-T — a 155 mm/52-calibre self-propelled tracked artillery gun built by L&T at Hazira in technical collaboration with South Korea's Hanwha — is India's most-cited defence co-production success, validated by a ₹7,628.70 crore follow-on contract for 100 more guns signed in December 2024 [1].

Why it qualifies as a model

• Repeat orders as proof of capability: after delivering the first 100 guns, L&T won the follow-on order under the Buy (Indian) category — indigenous capacity, once created, was retained rather than allowed to lapse [1].
• Progressive indigenisation: initial units arrived semi-knocked-down; the bulk were manufactured domestically, with a private-sector prime rather than a DPSU leading integration.
• Political scaffolding: the programme rests on the Special Strategic Partnership of 2015, itself built on ties dating to 1973 [3][4].

Lessons for future co-production partnerships

• Partner-state consent matters more than vendor willingness: Hanwha transferred technology under authorisation from Korea's Agency for Defence Development — export-control clearance by the partner government determines the real depth of technology transfer [1].
• Assured demand drives private investment: a visible order pipeline is what persuades a prime to build tooling, tier-2 vendors and skilled manpower.
• Institutionalise rather than improvise: the May 2026 roadmap for KIND-X (India–Korea Defence Innovation Accelerator Ecosystem) extends a single-platform success into a standing innovation ecosystem [2].
• Climb the value ladder to joint exports: both defence ministers agreed to pursue joint development, joint production and joint exports — the next tier beyond licensed assembly [2].

Limitations to guard against

• Success is platform-specific; critical subsystems may remain imported, so outcomes must be measured by indigenous content, not assembly volume.
• Lengthy procurement cycles can outpace agile technology partners.

The Vajra experience shows co-production succeeds where a capable private prime, a consenting partner government and predictable orders converge. Replicating this template — and scaling it through KIND-X and the defence industrial corridors — can carry Atmanirbhar Bharat beyond import substitution toward a credible role in global defence supply chains.