Corporation Bank — not reflect on my bank account

Address:	Nagpur, Maharashtra, 440008
Website:	www.consumercomplain.in

I have purchased 2 product from amazon on cash on delivery due to some problem i returned the product then the amazon people have done the refund successfully on 5 feb of rs.399 & rs.499 but the amount still not reflected into my bank account more then 2 months have passed i have send mail with complete details with reference number but still there is no response of bank people not giving proper service including bank manger also
So i request to u please take a action and give my refund as soon as possible.