The 5G network deployment has crossed the 400,000 mark in India, with Reliance Jio and Bharti Airtel adding 2,000 base tower stations a week, making it one of the fastest rollouts in the world, said officials aware of the development. “The 400,000 mark has been achieved in less than 15 months of the 5G launch as both telcos have been aggressively rolling out the network,” an official told ET