The Company
Built For Programme Delivery
Steadfast Defence & Infra Private Limited was incorporated in West Bengal in 2019 and today operates as a defence and infrastructure manufacturer with programmes spanning small arms assemblies, ammunition components, anti-drone systems, unmanned aerial platforms and the facilities that produce them.
The company acts as an original equipment manufacturer, a technology partner in tripartite programme structures, and a turnkey developer of test, training and MRO infrastructure for institutional customers.
Registered office: 32 Malanga Lane, Kolkata 700012, West Bengal, India.
Manufacturing facility: Kharki, Kheyadaha No. 2, Narendrapur, South 24 Parganas, Kolkata 700105, West Bengal, India.

Capability Pillars
Design & Engineering
Airframe, structural and systems design with in-house CAD, CFD and structural validation before tooling is committed.
Precision Manufacturing
CNC machining, composite lay-up and controlled assembly lines operating to ISO 9001 documented process control.
Test & Qualification
Environmental, vibration and field trials aligned to Indian service qualification requirements and user trials.
Training & MRO
Operator training programmes and maintenance, repair and overhaul laboratories delivered as turnkey facilities.
Infrastructure
Facility planning, fit-out and commissioning for research centres, production halls and secure storage.
Programme Finance
Feasibility modelling, DCF analysis and investor documentation supporting long-cycle defence programmes.






