Indian telecom giants like Reliance Jio, Bharti Airtel and Vodafone Idea have suffered losses of customers for the third consecutive month in September after the tariff hike announced by them in July this year, according to a report by the telecom regulatory of India (TRAI). The report published on November 21 revealed a decrease in users for the three giants, while government-owned Bharat Sanchar Nigam Ltd. (BSNL) gained users.