not refund

Location/place: Ranchi jharkhand

Name of company/service: naaptol

maine online naaptol company se ek mobile purchase kiya aur kharab hone ki wajah se maine use turant wapas kar diya par aaj 4 mahine ho gaya nahi refund kar raha hai aur nahi replacement mera order no hai 3857920 mera mobile no hai +919661468787 sir please help me