In the evolving landscape of global technology investing, one sector stands out for its complexity, patience, and potential — deep tech. At the forefront of this sector is Vishnu Das, Principal at Celesta Capital, who has made it his mission to back founders building the technological foundations of the future.
In a recent conversation with Indian Startup Times, Vishnu shared how Celesta Capital is pioneering investments across semiconductors, space, defence, advanced manufacturing, materials, bioconvergence and AI, and why India’s next decade of innovation will depend on the country’s ability to nurture patient capital and visionary founders.
Redefining Deep Tech Investing
For Celesta Capital, deep tech isn’t a buzzword — it’s a conviction. The firm invests in technologies that don’t just enable industries but transform them from the core. Vishnu describes this approach as a move away from incremental innovation toward “generational change.”
“Technology today isn’t just an enabler; it’s the business itself,” he said. That belief has guided Celesta’s three-pillar investment focus — semiconductors and hardware, bio convergence in healthcare, and selective AI applications.
These are not quick-turnaround bets. Deep tech demands resilience, technical insight, and, above all, time. “The kind of founders we back are those who combine technical brilliance with patience — individuals who can endure the long cycles that deep tech companies inevitably face,” he shared.
Stories of Impact: From Healthcare to Hardware
Celesta’s investment strategy has produced a diverse and impactful portfolio that stretches across industries. One of the most compelling examples is 5C Network, which has evolved into an AI-driven diagnostics company that enhances radiologist efficiency and improves patient outcomes.
Another standout is Connect and Heal, a managed care platform for family health that today has over 4M lives under its care. In the last quarter, the company clocked nearly $10 million in revenue while achieving profitability — a rare feat in the healthtech space.
Beyond healthcare, Celesta’s portfolio includes names like Agnikul Cosmos and Stellapps, which represent the fund’s broader vision of enabling India’s innovation engine — from aerospace to agriculture.
Building India’s Deep Tech Ecosystem
While India has seen a boom in consumer tech over the last decade, Vishnu believes that the next growth wave will come from deep tech — areas that require heavy R&D and long-term conviction.
However, realizing this vision requires structural change. He emphasized the importance of a robust feedback loop between academia and industry, allowing cutting-edge research to translate into market-ready solutions that are iterated rapidly
Equally critical, he said, is the presence of patient capital — investors who understand that meaningful innovation takes years, not months. “We need investors who appreciate that deep tech is a marathon, not a sprint,” Vishnu noted. “It’s about enabling breakthroughs that can reshape industries, even if they take a decade to mature.”
The Challenge of True AI Innovation
As artificial intelligence continues to dominate startup conversations, Vishnu cautioned against mistaking activity for innovation. For Celesta, key differentiators while evaluating startups in the AI space are access to proprietary datasets, novel techniques for model optimization/compression, edge deployment ability and, importantly, being deeply integrated in to the customer workflow.
“Many AI startups build wrappers with UI; few build tools that add measurable value to the customer” he said.
He also stressed the importance of resource efficiency in model tuning and deployment — a growing concern as AI models become increasingly compute-intensive.
Guiding the Next Generation of Founders and VCs
Through his experience at Celesta, Vishnu has developed a clear perspective on what it takes to succeed in deep tech. Founders, he said, must possess clarity of purpose/problem statement, commercial intuition, and grit. “Deep tech founders can’t chase hype — they have to stay grounded in solving real problems.”
For aspiring venture capitalists, he advises cultivating both depth and breadth: specialize in one domain but maintain curiosity across industries. He believes that entrepreneurial experience — understanding what it feels like to build — makes one a more empathetic and effective investor.
A Vision Rooted in Long-Term Impact
Celesta Capital’s philosophy goes beyond financial returns; it’s about catalysing technologies that can redefine industries and societies. With its expanding portfolio of pioneering companies, the firm is shaping what Vishnu calls “India’s deep tech decade.”
As the conversation concluded, his optimism for the country’s innovation future was unmistakable. “India has the talent, ambition, and creativity to lead in deep tech,” he said. “All we need is to stay patient, stay curious, and keep building what matters.”
Interview Hosted By: Arushi Agarwal
