Consumer Redressal

i have purchased two electric Tandoor Olumpus Make From Naaptol.com via order No.700629 on 23/08/2013, i have received the goods on 14/09/2013, and one of them is defective. I have complain on 15/09/2013 and they said i have courier them but when Courier Co.(First Flight) ask for charges around 1200/-, i told Naaptol about the charges, and they said that Blue dart will pick the material from my house within 48 hrs on 17/09/2012, again on 20th, they told the same thing that within 48 hr blue dart will pick, on 22nd again they told the same thing about the Picking up the material that within 48 hr material will be pick by blue dart however nothing happen till today and they are not answering.