We are faced with a new tech reality that comes with a promise of revolutionary change—5G. But it also comes amid some apprehensions, like the Sino-American trade war with focus on Chinese tech giant Huawei. Ranjan Mathews, director-general of the Cellular Operators Association of India (COAI)—India’s largest communications industry association—speaks to Pranay Sharma about the future of 5G in India and the Huawei controversy. Excerpts: