Puma — refund was not initiated in my bank account

Address:

Firozabad, Uttar Pradesh, 283203

I have bought a pair of shoes from puma india online but they was not fitted so i returned it to them but they refused to refund and when i call there customer care they alwys say for wait and do nothing for me and please contact them and resolve my issues as soon as possible now 45days but my refund is not received so plss help to resolve my issue!