Amazon India — refund not receive in my account

Address:	Varanasi, Uttar Pradesh, 221005
Website:	amazon india

I order a trouser from amazon. When i receive it i see packet filled with paper. I contact amazon customer service and tell him about my problem. They initiate my refund at 29/07/2019. They say amount credid in my account at 05/08/2019. But amount not receive in my account. They give me refund reference number: #[protected]. I contact bank but no solution. I also file charge dispute but no solution. Sbi customer service say there is no any method to locate money with help of reference number. My order id is #[protected]. When after some time i place order on amazon they block my account. Please give my refund. My register email is on amazon is [protected]@gmail.com and mobile number is [protected].