New Delhi, April 27 -- A little more than three years after the launch of ChatGPT, the chief executives of India's top information technology (IT) services companies are beginning to acknowledge concerns that artificial intelligence (AI) is eroding revenue.

Over the last two weeks, bosses of Tata Consultancy Services Ltd, Infosys Ltd, HCL Technologies Ltd, Wipro Ltd, and Tech Mahindra Ltd have all pointed to AI squeezing revenues, and addressed concerns around higher productivity benefits. More AI tools mean lower human involvement, leading to lower billing rates and, ultimately, lower business. While companies expect increased tech work to offset the impact of AI, analysts expect that to be some time away.

On 9 April, the country's lar...