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Tonbo Imaging raises ₹175 Cr in Series D Pre-IPO round to advance infrared sensor development and directed energy weapon platforms

Kolkata, Apr 03 (UNI) Tonbo Imaging, a global leader in strategic defense technologies, has successfully closed its Series D pre-IPO funding round, securing ₹175 crore from Florintree Advisors, Tenacity Ventures and the Export-Import Bank of India.
This investment will accelerate the development of next-generation infrared sensors, commercial deployment of high-power microwave technologies to counter modern battlefield threats and working capital support for global expansion ongoing programs.
The funding comes as Tonbo prepares to file for its IPO, a strategic move aimed to take advantage of both organic and inorganic opportunities in the fast growing and dynamic C4ISR market.
Inspired by nature’s most advanced visual predator, the Dragonfly, Tonbo Imaging designs cutting-edge sensing and processing systems that enhance situational awareness, targeting precision, and autonomous battlefield operations.
Having previously raised over ₹300 crore from investors such as Artiman, Qualcomm, Celesta, Edelweiss, and HBL Engineering, Tonbo is a trusted global supplier of battlefield-proven systems. Its technology is deployed in over 30 countries by elite defense forces, including the Israeli Defense Forces (IDF), U.S. Navy SEALs, NATO, the Armenian Ministry of Defense, and the Indian Ministry of Defense.
Tonbo’s innovations have played a critical role in major combat missions, including the URI surgical strike, IDF counterinsurgency operations, the modernization of India’s Arjun Main Battle Tank, Bharat Dynamics’ Anti-Tank Guided Missile (ATGM) program, and multiple active NATO deployments, reinforcing its position as a leading defense innovator, according to a media statement here on Thursday.
Arvind Lakshmikumar, Founder and CEO of Tonbo Imaging, commented: "Tonbo was founded with the vision of democratizing access to high-end defense technology. As the modern day battlefield evolves towards nimble, autonomous reconnaissance and targeting systems, the key technologies will be better sensors, low power computer vision and non-conventional munitions. This investment enables us to push the boundaries of innovation in infrared imaging and directed energy solutions while scaling our global footprint. Our focus remains on delivering cost-effective, cutting-edge battlefield intelligence and protection systems to modern defense forces worldwide."
Mathew Cyriac, Founder of Florintree Capital, added: "Tonbo Imaging represents the future of defense technology. With its deep expertise in imaging, artificial intelligence, and autonomous systems, the company is well-positioned to address emerging global security challenges. We are excited to partner with Arvind and his management team to scale the business and build a global defense tech business out of India."
Rohit Razdan, co-founder of Tenacity Ventures noted on the rationale of the investment: "We have admired Tonbo for a while and are excited to get a chance to invest towards the next phase of growth. Tenacity was formed to support companies like Tonbo – best in class products rooted in deep technology and domain understanding. Tonbo products bring great software with high quality hardware that is seeing strong traction in domestic and global markets. We are confident that Tonbo will emerge as a significant India based global leader in this defence sector over the next several years."
UNI SJC
Tags: #Tonbo Imaging raises ₹175 Cr in Series D Pre-IPO round to advance infrared sensor development and directed energy weapon platforms
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