I Said This in 2014. Maharashtra Just Proved Me Right.
The Maharashtra solar banking ban and BESS mandate proves what Kunwer Sachdev warned in 2014 — battery storage is non-negotiable for India's solar future.
Why 2026 Is the Best Year to Go Solar in India
Why 2026 is the best year to go solar in India — hybrid systems, PM Surya Ghar subsidies and how to pick the right inverter. Expert guide by Kunwer Sachdev.
IGBT vs MOSFET Inverters: What the Difference Means for You
IGBT vs MOSFET inverters explained — what the technology difference means for efficiency, reliability and lifespan. Plain-English guide for Indian buyers.
Su-Kam Built India's First 3-Phase Solar System in 2006
Su-Kam built India's first 3-phase solar PCU in 2006 — six years before solar went mainstream. Kunwer Sachdev shares the full pioneer engineering story.
Lithium vs Lead-Acid Battery India 2026: The Honest Guide
Lithium vs lead-acid inverter batteries in 2026 — cost, lifespan, charging speed and ROI for Indian homes. Which battery is actually worth the money?
Prevent Inverter Battery Explosions: India Safety Guide
Why inverter batteries explode and 7 ways to prevent it at home. Essential safety guide for tubular and lithium battery owners across India.
Solar Off-Grid vs On-Grid vs Hybrid: India Guide 2026
Off-grid, on-grid or hybrid solar — which is best for Indian homes in 2026? Compare cost, subsidies, backup time and ROI across all three system types.
Best Inverter UPS for Home in India 2026: Buyer's Guide
Best inverter UPS guide for Indian homes in 2026. Compare Luminous, Microtek and Su-Vastika on capacity, battery type and price to find the right model.
Brainy Eco Solar Hybrid PCU: India's Home Power Revolution
Brainy Eco Solar Hybrid PCU — how Kunwer Sachdev's invention changed home power backup in India. The story of India's first solar hybrid UPS for homes.
Solar PCU Invented in 2005: Kunwer Sachdev's India Legacy
How Kunwer Sachdev invented the Solar PCU in 2005 and set India on the path to energy independence — the untold story behind India's solar revolution.