New Delhi, March 6 -- India's telecom giants and global technology firms are locked in a tussle over pricing and regulation of the country's business internet backbone.

At the centre of the clash are Domestic Leased Circuits (DLCs)-dedicated, high-security broadband lines used by banks, data centres and enterprises. The Telecom Regulatory Authority of India (Trai) is conducting its first review of these tariffs in more than a decade, which could slash price caps that have been unchanged since 2014.

The total revenue earned by service providers from DLCs in FY 2023-24 is around Rs.13,300 crore, which is approximately 60% higher than the revenue earned in FY 2012-13, according to Trai.

Mobile operators, including Reliance Jio and Bharti ...