Xpressbees - return filed and package taken but given that package pickup failed

i ordered pants from bewakoof.com and asked for return the very same day on *nd july
the return had been placed and pickup was scheduled the person who had to pickup that order do not come the other person from the same company came and picked up the order now the pickup is failed and cancelled . due to which i am not getting refund and product had gone as well. i called him but no response from their side. i called xpressbees too but there is no response from them too