Jio — rs 399 recharge cashback not received

Address:

Tirunelveli, Tamil Nadu, 627859

I have recharged my jio mobile number ([protected]) with rs.399 on 23.6.2018. i have checked offer on my jio application before recharge they show recharge of 399 gives 100 cash back using recharge with phonepe. but i received only 50 rs cash back another 50 rs not yet received. i have informed to the customer service they did not respond me. please help me to get remaing cash back amount.

Thank you