State Bank Of India [SBI] — Amount get debited from my account but didn't get credit into the receiver account

I have paid an amount of 1044/- rupees through Amazon pay on 14th April the transaction was successful but it did not get credited into the beneficiary (Flipkart)account
Late when I contacted Flipkart for the refund they said that they didn't receive the amount as the transaction time was out and it gets failed so they said to raise a chargeback form at State Bank Of India. I contact the SBI bank but they are saying they do not have any chargeback form.
Even Amazon pay also said to raise a chargeback form through SBI Bank. I want my money 1044/- I am a student that money was very important to me. The issue happened on 14th April still my money was not refunded. Please Refund My Money as soon as possible.