Step To Get 42 GB Data @ Rs 100 Per Month Via MyJio App First Of all Download MyJio app & Sign In. Now Go To Recharge Tab . Select Rs 399 Data Pack. Click on “ Buy ” button to move to Payment Page. Select PhonePe as your payment option. Sign in to your PhonePe account after confirming your number and OTP. Pay for Net Payable amount using PhonePe to get Rs.50 Cashback. Bingo ! You got Rs 399 Recharge Pack @Rs 300 Only which means Rs 100 Per month For 3 Month.