Telecom industry within sector of Information and Communication technology and is the second largest in the world. In this research paper, which is descriptive in nature, researchers have tried to portray the support of telecom industry during COVID-19 situation to other sectors and challenges faced by it. The source of data is basically secondary by nature. Private players of telecom industry like Reliance Jio, Airtel and Vodafone Idea are studied in detail. During COVID situation, most people were confined to homes. The economy and businesses were run from home. Besides, when people had more leisure time at their disposal, the usage of data resulting from surfing, chatting, browsing, playing online games and so on increased drastically. This led to growth of telecom industry. The paper concludes that telecom industry is a booming sector, and it had low losses as compared to others. How telecos are responding to various challenges is also discussed in this paper.