Tenneco Clean Air India Ltd raised ₹1,079 crore from anchor investors ahead of its public offer, setting its price band at ₹378–397 per share (lot size 37 shares). The grey-market premium stood at ~₹55 per share, implying expected listing price near ₹452. The U.S-based auto-component unit is targeting stronger domestic supply and aftermarket growth. While investor demand appears robust, analysts caution that global auto-cycle headwinds and currency risk remain.