India Optel

India Optel Limited is an Indian state-owned defence company, headquartered in Dehradun, India established in 2021 as part of the restructuring and corporatization of the Ordnance Factory Board into seven different Public Sector Undertakings. India Optel primarily manufactures electro-optical sensors, weapon sights and communication equipment for the use of the Indian Armed Forces and foreign militaries.
India Optel Limited consists of the following three factories of the erstwhile Ordnance Factory Board:

Collaboration

In order to transfer production of the SIGMA 30N Digital Ring Laser Gyro Inertial Navigation System, which is used in artillery guns, air defense systems, missiles, and radars, as well as the CM3-MR Direct Firing Sight, which is intended for artillery guns and anti-drone systems, India Optel Limited and Safran Electronics & Defense signed a collaboration agreement on December 22, 2025. In order to guarantee that the systems satisfy the operational requirements of the Indian Army, IOL will be in charge of production, final assembly, testing, quality control, and complete life-cycle support.