The Indian telecommunications sector has experienced rapid growth in recent years and become the third largest market globally. A PESTEL analysis was conducted to analyze the key political, economic, social, technological, legal and environmental factors influencing the industry. Politically, reforms since the 1980s have opened the sector to private players. Economically, revenue and GDP contribution have increased significantly. Socially, changing lifestyles and rural connectivity have impacted demand. Technologically, advances like 3G and new standards have been adopted. Legally, regulations have evolved with the Telecom Regulatory Authority of India now overseeing the sector. Environmentally, operators are focusing more on reducing electronic waste and emissions.