India as an economy is witnessing growth in different segments and world is looking at India as a potential prospect due to robust demand, flexibilities, expertise, government initiatives, intensification of technology and young population. Amongst different segments, telecommunication sector is witnessing remarkable growth and has emerged as second largest market for subscriber base and third largest in terms of FDI attraction. Telecommunication sector is witnessing the incredible transformation from 2G to implementation of 5G. It is expected that India will become the digital economy of $1 tn by 2025. This research work is addressing the overview of Indian telecommunication sector, its incredible prospects, Government policy assistance, ample investments availability and future potential. Robust demand and bright future prospect is observed in the Indian telecommunication sector. As per the survey of Zenith media, India is projected as a potential telecom sector advertisement market, with a yearly rate of growth of 11 per cent It is also found that the government has initiated various structural and regulatory changes to boost telecommunication sector like 100 per cent FDI through automatic route, Satellite based NB-IoT, production-linked incentive (PLI) scheme and phased manufacturing programme. Revolutionary changes have been observed in the sector from 2G implementation to 5G initiatives.