More than five crore complaints were received against telecom operators related to mobile services during 2021-22, with about 54 per cent of them against Airtel, followed by Vodafone Idea, Parliament was informed on Friday. Minister of State for Communications Devusinh Chauhan, in a written reply in the Rajya Sabha, gave data on complaints received against various telecom service providers related to mobile telephony during 2021-22, as per…