New Delhi, Aug 5: Telecom firm Bharti Airtel sees potential for raising tariffs on plans that offer unlimited data at lower price points, a senior company official said on Wednesday. Bharti Airtel reported a 37.3 per cent increase in profit after tax to Rs 8,167 crore in the June quarter, driven by strong growth across India and Africa operations. The revenue from operations during the quarter increased 18.3 per cent to Rs 58,539 crore from Rs 49,462.6 crore in the June quarter a year ago. In response to a question if Bharti Airtel needs to hike tariff given that it is recording a healthy growth, Vittal said when the company talks about tariff repair, it is actually about the architecture of mobile plans in place. “Which means that for a very low level of pricing, you get unlimited data, and that means ARPU is capped.