New Delhi, July 13 -- Three straight quarters of falling revenues at Tata Consultancy Services Ltd could prompt investors to prefer shares of Infosys Ltd and HCL Technologies Ltd, even as India's largestinformation technology services firm trades at a discount to the other two.

The TCS stock is currently trading at 24.6 times the company's forward price-earnings while Infosys and HCLTech, India's second- and third-largest IT services firms, are trading at 25.9 and 36.2 times their earnings, respectively, according to Bloomberg data.

TCS last traded at a discount to Infosys in January 2022, and was valued cheaper than HCL Technologies in September 2010.

The price-to-earnings (P/E) ratio is arrived at after dividing the current value of ...