

Defence technology startup Tonbo Imaging has secured ₹175 crore in a Series D funding round led by Florintree Advisors, Euro Exim Bank, and Tenacity Ventures, as reported by the startup at its official LinkedIn handle.
It posted, “We just raised ₹175 Cr in Series D pre-IPO funding to strengthen India’s position in infrared sensors and directed energy weapons.” With this round of fundraising, the company’s valuation has been upgraded to an impressive ₹1,500 crore, as stated by startupro.in.
The Bengaluru-based firm continues to gain strategic traction through accelerated innovation and growth on India’s defense tech landscape.
The amount raised through the latest seed funding round underscores Tonbo’s commitment to enhancing product development, scaling up its manufacturing capabilities, and expanding its global presence. With the infusion of this capital, the startup is anticipated to support deeper integration of artificial intelligence into its imaging systems to stay ahead in the competition, as AI is a key differentiator in new-age warfare and surveillance operations.
“As a company at the forefront of electro-optics and electronic warfare, we are committed to advancing defense technology through indigenous innovation and scale,” it read.
Founded in 2012 by Ankit Kumar, Arvind Lakshmikumar, and Cecilia D’Souza, Tonbo Imaging specializes in cutting-edge imaging and sensor systems. Over time, it has gained momentum, emerging as a prominent player.
The company designs and manufactures advanced electro-optics systems for military reconnaissance, border surveillance, infrastructure security, and transportation safety. Its product offerings include AI-based seekers, smart thermal weapon sights, see-through armor, and long-range border surveillance systems.
Tonbo Imaging delivers its products to the esteemed Indian defence establishments such as the Defence Research and Development Organisation (DRDO) and the Indian Air Force. The startup is also backed by notable investors, including Celesta Capital and Qualcomm Ventures, reflecting the strong institutional trust it has built among investors due to its long-term potential technological capabilities.
Tonbo Imaging is backed by 16 institutional investors, among them Exim Bank, Florintree, and Celesta Capital. Additionally, the company has received support from 13 angel investors. The latest fundraising has added value to the overall valuation of the company. Before this, it raised funds in 2022 in a Venture Debt round, and $17M was raised in 2017 during the Series B round, according to Tracxn.
As the government pushes for self-reliance in defence production under the "Make in India" initiative, Tonbo Imaging’s latest funding and valuation milestone mark a significant step toward strengthening India’s domestic defence technology ecosystem.
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