to make India a smartphone nation by 2020,so that every common man can make use of its useful features(maps,internet,apps etc.) through Phona.in . A site where we users can buy/sell used phones instantly and throughout India. So we aim to make used phones as a source to maximize usage of smartphones.We term used phones which use our services as "phona's". Our revenue is based on profits made from used phone(phona) sales and app advertising.