In 1983, a man invested ₹50,000 to solve a mosquito problem to protect his daughter.
In 2025, that bet turned into a ₹10,000 Crore empire.
This is the wild story of how Good Knight became India’s top mosquito repellent.
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In the early ’80s, electrical engineer R. Mohan was struggling to find a safe mosquito repellent for his daughter.
He discovered a Japanese mat called “Vape” and was struck by its potential sparking the vision to build something homegrown.
Mohan founded Transelektra Domestic Products in 1983.
Facing repeated loan rejections and equipment stuck at the airport, he risked his flat as collateral to secure the funds—and finally launched Good Knight in 1984.