Shares of Tata Motors fell by over 40 per cent on Tuesday, October 14, 2025. The stock opened at Rs 399 on the BSE, sharply lower than Monday’s closing price of Rs 660.90. The major fall in the share price of Tata Motors came after the company officially completed its demerger into two separate entities -- Tata Motors Passenger Vehicles Limited and TML Commercial Vehicles Limited.

Tata Motors share price demerger

The company has officially split its commercial vehicle and passenger vehicle businesses. The PV unit will be named Tata Motors Passenger Vehicles Ltd (TMPVL). It will consist of the domestic PV business, Jaguar Land Rover, stake in Tata Sons, Tata Steel and Tata Technologies, along with other investments. The demerged Commercial Vehicles unit will consist of the domestic CV bus

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