Defence-tech start-up Tonbo bags ₹175 cr in Series D 

The company’s technology is deployed in over 30 countries by defence forces

Defence-tech start-up Tonbo Imaging has raised ₹175 crore in a Series D pre-IPO funding round, backed by Florintree Advisors, Tenacity Ventures, and the Export-Import Bank of India.

The fresh capital will be strategically deployed to accelerate the development of next-generation infrared sensors, drive the commercial deployment of high-power microwave technologies aimed at countering modern battlefield threats, and provide working capital support for the company’s ongoing global expansion programs.

Arvind Lakshmikumar, Founder and CEO of Tonbo Imaging, said “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.”

Tonbo has 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 defence forces, including the Israeli Defence Forces (IDF), US Navy SEALs, NATO, the Armenian Ministry of Defence, and the Indian Ministry of Defence.

Tonbo’s innovations have played a critical role in major combat missions, including the URI surgical strike, IDF counterinsurgency operations, the modernisation 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 defence innovator.

Published on April 3, 2025