Tejas Networks Ltd (Tejas Networks) designs and develops optical and data networking products.

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Tejas Networks Ltd focuses on research and development as a core component of its business strategy, driving its ability to create networking products across various domains such as wireless, wireline, optical, broadband, packet networking, broadcast, SAT-IoT, and network management. The company designs scalable, cost-effective, and future-ready platforms by owning key parts of the technology stack. Tejas Networks Ltd serves telecom providers, enterprises, utilities, defense networks, and government-led digital connectivity programs. The company's expertise includes silicon design, radio front-ends, baseband processing, optical transport, xPON access, carrier Ethernet, IP/MPLS, synchronization, embedded software, and unified network management. Approximately 68% of the workforce is engaged in R&D, all based in India, providing a strong base of indigenous engineering talent. R&D is integrated across the product lifecycle, ensuring innovation translates into dependable products. The impact of R&D is evident in the deployment of Tejas products in large telecom networks and mission-critical applications. The R&D unit of Tejas Networks Ltd is responsible for optimizing performance, reducing costs, and adapting quickly to customer requirements through software-defined hardware and modular platforms. This unit works closely with product management, quality, supply chain, manufacturing, and customer-facing teams to ensure the delivery of technologically advanced, robust, field-ready, and scalable solutions. As of March 2026, the company filed 676 global patent applications of which 371 have been granted. In FY2026, the company spent INR7,833 million on R&D, which as a percentage of revenue, stood at 71%.