Tenneco Clean Air India Limited witnessed an impressive 27.2% rise in its shares during pre-open trade on the NSE, debuting at ₹505 compared to its IPO price of ₹397. The robust market response reflects strong investor confidence in the company’s clean air technology business.
Tenneco Clean Air India Limited made a remarkable market entry on November 19, 2025, with shares opening at ₹505 on NSE, showing a 27.2% increase from the IPO issue price of ₹397 per share. The IPO, which raised approximately ₹3,600 crore through an offer for sale of 9.07 crore shares, was highly oversubscribed, reflecting strong demand.
The company specializes in emission control and clean air systems for automotive applications, with a strong global pedigree as a subsidiary of Tenneco Inc. Tenneco Clean Air’s market debut is being viewed positively due to its positioning in environmentally focused auto technologies, aligning with regulatory trends and rising demand for cleaner vehicle systems.
The robust listing gains confirm investor enthusiasm, bolstered by optimistic brokerages highlighting reasonable valuations with a post-IPO price-to-earnings ratio near 24x and a robust earnings outlook.
Key Highlights
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Shares listed on NSE at ₹505, up 27.2% from ₹397 IPO price.
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IPO raised ₹3,600 crore via an offer-for-sale of 9.07 crore shares.
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Business focus: emission control and clean air technologies for automotive sector.
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Valuation: P/E ratio of ~24 post-IPO with strong long-term growth potential.
Supported by robust global OEM partnerships and rising demand for electrification and emission reduction.
Sources: Economic Times, India Today, Moneycontrol, Business Standard.