Jio offers 16GB free data to celebrate the second anniversary. 2 Vouchers of 8GB Hogh speed data will be credited automatically. ie, 2GB/Day for 4 Days. The first voucher is credit in September (Maximum by 20th September 2018) and the second will be credited in October 2018. The voucher is automatically applied on the exciting plan and you can check the voucher details on My Plan section in My Jio Application.