The Vodafone-Idea merger, the largest merger in the history of the Indian telecom industry, was an attempt to address the growing dominance of Reliance Jio, which started offering free services, thereby gaining a significant market share. The primary aim of the merger was to instill confidence in the telecom companies during a price war. The merger of Vodafone and Idea had a significant impact on the telecom sector, surpassing Bharti Airtel to become the largest cellular service provider in some markets and the second-largest in others. This paper discusses the reasons behind the merger, the conditions of the merger and the impact of the merger on telecom industry.