BSNL has the uppermost rating for voice quality over calls, Reliance Jio and Vodafone have both appeared in the 2nd spot, and Airtel is 3rd, as per user feedback generated via the
BSNL has the uppermost rating for voice quality over calls, Reliance Jio and Vodafone have both appeared in the 2nd spot, and Airtel is 3rd, as per user feedback generated via the