I bought reliace jio sim free for buying LYF Mobile. They asked only AADHAR Card for registration. Network is excellent in village area and even crowded area also. The network provided free local, STD, roaming calls to any network anywhere in India. They provided unlimited data for first three months and later on converted to 1 GB Data per day as a jio happy new year offer. It also provided 300 free sms including national and international sms per day. Customer Care Service were always giving excellent response to us and used to solve the issues as much as possible. Charges and Billing are very low when compared to other networks.