Now a day jio is the best company to provide cheap internet, calling, text messages, etc in the only 99 rupee of prime or 399 puree recharge . jio sim get in totaly free and recharge of prime first its validity is one year and second recharge is 399 rupee for used of free services second recharge is validity is for the 3 month after three again recharge of three hundred ninety nine rupee . it has no problem to network busy it network available in the both area urban and rural . customer service is very good because if you call in the customer care you problem solve in only 5 minute .it has no issue of charges and billing if you used 1 GB net a day than a message send by jio team than if you need to operate in the day you will subscribe the charges pack according to net gb used in the day packs available. THANK YOU ER. RAJKUMAR