Snapdeal.com — I am not able reach the link

I order nike shoes via snapdeal in 25th and cancelled on 26th and ordered same on the same date i. E on 26th i paid cash on delivery rs 3, 098 worth rs 19, 999. But i am not able to reach like for missing cash back. I receivd product also on 30th. I try to reach link but it's showing we don't see any clicks from your account finally my cash back is missing so pls do the need full