(Telecompaper) Indian mobile operator Bharti Airtel announced plans to invest around INR 600 billion in its network expansion over the next three years. Under its 'Project leap', Airtel will deploy over 70,000 base stations in the current fiscal, and 160,000 base stations in the next three years. It will also invest in improved backhaul and fixed broadband services in order to meet growing demand for internet access from consumers and businesses.