Vodafone Idea Limited is an Indian telecommunications company formed through the merger of Vodafone India and Idea Cellular. It is India's largest telecom operator by subscribers and revenue. The company provides voice and data services across 2G, 3G, and 4G networks. Vodafone Idea aims to develop 5G infrastructure and leverage 5G technology across industries. It plans to invest Rs 27,000 crore in fiscal year 2020 and complete integration of Vodafone and Idea businesses by 2021.