Indian mobile industry is one of the breathless growing industries in the globe. Approximately every people in India using a mobile phone, this is the main cause that the Indian market is the second biggest market in network providers in the entire world. When Jio came in to the market with a free membership plan, which made huge changes in consumers' unexpected actions and competitive blueprint. It plays a major role in the telecommunications industry, so customers are attracted towards new plan and the contestants in competition has to face a new alternation as to how to avoid the difficulties made by Jio to retain customers and Market Share The study, which is the most preferred service provider in Coimbatore west region, compares to other service providers such as Airtel, Vodafone, BSNL, Idea etc. Apart from this, the study has also focused toanalysecustomers' satisfaction towards Jio.