Amazon India — cheston 10mm drill machine refund

Address:

KEM, Solapur, Maharashtra, 413223

I ordered drill machine of cheston 10mm, it is faulty piece 1 part is missing so i want to refund it, i already send it on your address by speed post...1stly i don't know how to return it.. I ask my friend and return it... So i took some time... I m living in rural area.. I want to order another drill machine so plz accept my refund order... So plz do the needful action thanks