Just want people to know that sellers in India are selling old iphones refurbished by putting cheap cases, and fake boxes and calling them new. It is not easy to distinguish on a first look. You need to take the serial number and try the iphone online serial number decoder to get the date of manufacture. If it is too old, you are likely fooled. This is how it works
Shops buy old iphones, and refurbish them in new cases, use duplicate box and accessories.
They sell it with their own 1 year warranty claiming that the phones are imported wotjpit apple India warranty. Sometimes, they even paste a sticker on the box with same serial number as the phone.
It is preferable to buy your apple devices from reliable shops and only those offering manufacturer warranty.
Even the ebay buyer protection is a pain to go through. The whole procedure will eat up your time.