The IPO would comprise up to 60,850,278 shares for cash entailing 15 per cent of paid-up equity share capital of Tata Technologies, it added.
As part of the process, Tata Motors will offload 11.4 per cent stake,
The IPO will open for public subscription on November 22 and close on November 24, 2023, Tata Motors said.
Last month, Tata Motors had stated that it has inked a pact to sell a 9.9 per cent stake in Tata Technologies to TPG Rise Climate for Rs 1,613.7 crore.
Shares of Tata Motors ended almost flat at Rs 653.10 apiece on the BSE on Monday.