Punjab National Bank [PNB] — Didn't received refunded amount of 2-3 products

Address:

PNB, kursi road, Aliganj, Lucknow

Everytime I return any product I have to go through with this issue .. my refunded amount doesn't reflect on my account.
Samee happened this time, I have returned 4-5 items of myntra.com I have received the refund of only 2-3 of them. Kindly please look into the matter asap
I'm sending the pics of refund reference numbers of every product cz I also don't know which amount of which product have I received.. so kindly please check and refund my rest of the amount ASAP