you can extend your JIO welcome offer till Dec 2017 by rooting your Android Device " Install Xposed Installer and IMEI Changer App"
Read more at: http://www.gizbot.com/how-to/tips-tricks/how-extend-reliance-jio-welcome-offer-until-december-2017/slider-pf63879-035180.html
Read more at: http://www.gizbot.com/how-to/tips-tricks/how-extend-reliance-jio-welcome-offer-until-december-2017/slider-pf63879-035180.html