New Delhi, Oct. 10 -- "We are on a journey to become the world's largest AI-led technology services company," said Tata Consultancy Services (TCS) Ltd's chief executive K. Krithivasan in prepared remarks on Thursday after announcing that the company will spend over $6 billion in about six years to set up data centres.

Investors and analysts are uncertain about the country's largest IT services firm's largest pivot since its public listing in 2004. The primary concern is the lack of details and the potential impact on profitability.

Shares of TCS were down more than 1% in afternoon trade.

"Regarding the data center announcement, we await clarity on the capital structure, capex schedule, and other details such as potential rentals and si...