Bengaluru, April 10 -- The earnings season for the IT industry began on a grim note, with India's IT bellwether seeing slowest full-year revenue growth in four years despite beating analyst expectations, with the added prospect of fourth quarter revenues and profits sliding as well.

Tata Consultancy Services delivered FY25 revenues of $30.2 billion, a year-on-year (y-o-y) fall of 3.78%. The last time TCS clocked slower growth was in March 2021, when it reported 0.7% y-o-y growth. The results came in the backdrop of the company being buffeted by the winds of uncertainty over trade tariffs and consequent squeeze in discretionary spends from tight-fisted clients in its biggest geography-North America.

To be sure, the Mumbai-headquartered c...