Tenneco Clean Air share price soars on listing — 27% debut
Tenneco Clean Air share price jumps on debut — investors book instant gains Tenneco Clean Air India made a striking market debut on November 19, 2025, when its shares opened at ₹505 on the NSE, a 27.20% premium over the IPO issue price of ₹397. The strong listing left many retail allotment holders with immediate paper profits — here’s a crisp, fact-checked breakdown of what happened and what investors earned.