https://telecom.economictimes.indiatimes.com/news/industry/all-telcos-meet-quality-standards-for-march-quarter-trai/100423231
Jio, Airtel, Vodafone Idea, BSNL meet quality standards for March quarter: Trai, ETTelecom
However, some telcos, mainly Airtel and BSNL, were found to fall short of the benchmarks on some parameters like response time to customers for assistance.
meet quality standards