Spacetech startup Sisir Radar has secured $1.5 million in seed funding, led by Shastra VC, with participation from Riverwalk Holdings and INVSTT. The Kolkata-based company has developed India’s first drone-borne Synthetic Aperture Radar (SAR) system. With this funding, it aims to enhance research, improve manufacturing, and launch the world’s highest-resolution L-band SAR satellite by 2026.
Founded by Dr. Tapan Misra, along with Soumya Misra and Urmi Bhambhani, the startup focuses on advanced radar technology. Its SAR system enables real-time Earth monitoring, even through clouds and darkness, benefiting defense, agriculture, disaster response, and infrastructure surveillance.
What is Sisir Radar?
Sisir Radar is a Kolkata-based spacetech startup specializing in Synthetic Aperture Radar (SAR) technology. Founded in 2022 by Dr. Tapan Misra, former director of ISRO’s Space Applications Centre, along with Soumya Misra and Urmi Bhambhani, the company focuses on developing advanced radar imaging systems.
It has built India’s first drone-borne SAR system and is working on launching the world’s highest-resolution L-band SAR satellite by 2026. Sisir Radar’s technology enables real-time Earth monitoring, even through clouds, darkness, and dense foliage, making it useful for defense, agriculture, disaster response, mining, and infrastructure surveillance.
The company is also collaborating with major defense organizations in India and has won two Innovation for Defence Excellence (iDEX) challenges to develop advanced SAR satellites for the Indian Air Force. Recently, Sisir Radar secured $1.5 million in seed funding, led by Shastra VC, to strengthen its research, development, and manufacturing capabilities, positioning itself as a leader in SAR imaging solutions.
Why is This Funding Significant?
This funding is significant because it will help Sisir Radar scale its research, development, and manufacturing capabilities, enabling the company to advance its Synthetic Aperture Radar (SAR) technology. With $1.5 million in seed funding, led by Shastra VC, the company aims to launch the world’s highest-resolution L-band SAR satellite by 2026, a major milestone for India’s spacetech sector.
The investment also reinforces India’s growing presence in space technology and defense innovation, as Sisir Radar’s SAR systems can enhance real-time Earth monitoring for applications like defense, disaster response, agriculture, mining, and maritime surveillance.
Additionally, the startup has secured two iDEX challenges, further positioning itself as a key player in India’s defense technology ecosystem. With strong investor confidence and government support for space startups, this funding helps Sisir Radar drive technological advancements and contribute to India’s self-reliance in high-resolution satellite imaging.
How Will the Funds Be Used?
The funds will be used to strengthen Sisir Radar’s research, development, and manufacturing capabilities. A major focus will be on advancing its Synthetic Aperture Radar (SAR) technology and preparing for the launch of the world’s highest-resolution L-band SAR satellite by 2026.
The investment will also support the development of innovative SAR imaging payloads across multiple frequency bands, including L, P, and X bands, enhancing the company’s ability to provide real-time Earth monitoring. Additionally, the funds will help expand production capacity, improve drone-borne SAR systems, and support defense collaborations, including the two iDEX challenge projects for the Indian Air Force.
Founders’ Perspective
Dr. Tapan Misra, a veteran in space and radar technology, brings decades of experience from ISRO. He has spoken extensively about how SAR technology can transform Earth monitoring, ensuring precise imaging even in the toughest conditions. His expertise guides Sisir Radar’s development of next-generation L-band and P-band SAR payloads, which are set to make a global impact.
The founders’ collective vision is to position Sisir Radar as a world leader in radar imaging, developing high-resolution SAR satellites, drone-based surveillance, and defense-grade radar solutions. Their commitment to innovation is setting new benchmarks in space technology, defense applications, and commercial Earth observation.
Key Takeaways
- Successful Funding Round – Sisir Radar secured $1.5 million in seed funding, led by Shastra VC, with participation from Riverwalk Holdings and INVSTT. The funds will accelerate R&D, manufacturing, and SAR technology advancements.
- Breakthrough in SAR Technology – The startup is building India’s first drone-borne SAR system and working on launching the world’s highest-resolution L-band SAR satellite by 2026.
- Strong Defense Collaborations – Sisir Radar has won two iDEX challenges, securing contracts to develop high-resolution SAR satellites for the Indian Air Force, solidifying its role in national security.
- Visionary Leadership – Founded by Dr. Tapan Misra, Soumya Misra, and Urmi Bhambhani, the company is driven by deep expertise in radar technology and aims to make India a global leader in SAR innovation.
- Diverse Applications – Sisir Radar’s technology is useful for defense, agriculture, disaster response, mining, maritime surveillance, and infrastructure monitoring, providing real-time Earth observation, even in challenging conditions.
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Conclusion
Sisir Radar is on a mission to redefine radar technology and position India as a global leader in SAR innovation. With $1.5 million in seed funding, the company is set to advance its R&D, manufacturing, and satellite development, paving the way for the launch of the world’s highest-resolution L-band SAR satellite by 2026.
Its cutting-edge radar systems will enhance defense, disaster management, agriculture, and infrastructure monitoring. Backed by strong industry collaborations and government support, Sisir Radar is not just building technology—it is shaping the future of Earth observation, national security, and commercial space applications worldwide.
Redefining Radar, Reshaping the Future – Explore Sisir Radar’s Vision!
