Amazon India — refund processed by amazon.in but never recieved it

Website:

Amazon.in

On 26 september 2018, i ordered a "scout 39 in 1 tool kit" (Order#[protected] in total of rs 549from amazon but because of some reasons i had to return it and before returning i was also not able to pick it up when it was delivered. So it took several days for the product to return to amazon and then amazon processed a refund of rs 549 but i never received any refund on my email id "[protected]@gmail.com" or on my mobile no.
I paid via visa
You can update me on this email id only.
My name is rivika chauhan but on amazon my registered name is sonia.