The Story

From the railway colony in Kishanganj to Su-Vastika's lithium pivot — a long-form chronicle organised by era. Built up post by post.

By a former associate of Kunwer Sachdev

Chapter 1 · In progress

Roots — Kishanganj, Punjabi Bagh, and the men who shaped him

Childhood in the Delhi railway colony, the move to Punjabi Bagh, and the early influences that planted the entrepreneurial seed.

Chapter 2 · In progress

Pen Days — selling, learning, and the school of the street

The years of door-to-door pen sales with his elder brother — what they taught him that no MBA could.

Chapter 3 · In progress

Cable TV — the leap from job to entrepreneur

Su-Kam's cable TV beginnings, before the inverter that changed everything.

Chapter 4 · In progress

Su-Kam — building a category

Founding, R&D culture, hiring, the marketing escapades, and how a brand became the default name for Indian inverters.

Chapter 5 · In progress

Marketing Mavericks — dhabas, shikaras, and the art of being seen

The unconventional campaigns nobody else would dare run — and why they worked.

Chapter 6 · In progress

R&D and the patents — innovation at scale

From digital inverters to solar PCUs to Electroscopy — how Su-Kam invented its way past competitors.

Chapter 7 · In progress

The reckoning — NCLT and what he learned

The years that tested him, told carefully and honestly.

Chapter 8 · In progress

Su-Vastika — the lithium comeback

Patents, BESS, lift inverters, partnerships — the second act, and what he believes comes next for India's energy transition.

The chronicle is being written week by week.

Each chapter is built up over time as the column publishes pieces that fit. Sign up for updates at write@invertermanofindia.com.