Tata Motors Share Price – Live NSE/BSE price, PE ratio, EPS, market cap, financial reports & corporate announcements, only on ET Markets. Tata Motors demerger has come into effect from October 1, 2025, and its demerger record date was fixed on October 14, 2025. During the record date, Tata Motors shares split into the ratio of 1:1. Tata Motors Demerger: Tata Motors Passenger Vehicles Limited (TMPVL) has provided shareholders with an update on the allotment and upcoming listing of shares of Tata Motors Commercial Vehicles Limited (TMLCV), the demerged entity of Tata Motors , following the demerger effective from October 1, 2025. Tata Motors Passenger Vehicles Ltd 2 (TMPV | 500570 | INE155A01022) 406.50 -10.55 (-2.53%)