Kunwer Sachdev: The Inverter Man of India
How Venkat Rajaraman left Nvidia to join Su-Kam in 2007, led FPGA inverter R&D with Kunwer Sachdev, and founded Cygni Energy — India’s leading battery storage company with a 4.8 GWh assembly plant in Hyderabad.
12 patents granted, 56 pending, 5 provisional — all lost when Su-Kam entered IBC insolvency in 2018. The complete IPO record of India’s biggest patent loss.
Series · Project 05 · Critical Infrastructure By Kunwer Sachdev — Founder, Su-Kam Power Systems · April 2026 The Assam
Twenty days before Dr APJ Abdul Kalam passed away, he joined Su-Kam to electrify two villages. Kunwer Sachdev shares this unforgettable moment.
How Su-Kam’s off-grid solar plant in Agartala became the anchor of North-East India’s first solar city in 2014. Kunwer Sachdev tells the full story.
In 2014, Su-Kam won a SECI tender to build India’s largest rooftop solar plant at Punjab Engineering College. Kunwer Sachdev shares the full story.
Kunwer Sachdev, Su-Kam founder, compares lithium-ion and lead-acid batteries for Indian homes — cost, lifespan, performance and best use cases.
Kunwer Sachdev writes an open letter to gifted young people who feel misunderstood — on sensitivity, purpose and the power of feeling deeply.
For me, R&D wasn’t a department; it was a war against the status quo. I didn’t want to just manufacture
