Amazon India — iphone 7 32gb

Hi sir even last time i write it in ur blog but issue not resolved. I purchased an iphone 7 from amazon n they sent me defective handset twice n then i returned it on 28th of october and today is 9th novmber but i dindt get my refund yet and whenver i m calling customer support they very rude and not giving any resolution and they are like we cant say anythingn about refund when it will be initiated so plz sir do notify them its not the way to doing business here like playing with us n making us fool. Its been more then 10 days and still they are saying onxe product will be reaching to warehouse refund will be initiated but sir how long u need to reach a product to warehouse its been more than 10 days i think amazon is making us fool whnever i called them they put evrythig on warehouse and we cant contact warehouse and customer support team is very rude and they cant answer anything they just guve one answer which is not satisfactry so plz sir so something about this issue