Olx.in is Indian website where you can ad free post for selling and buying product.I was using old mobile and my all friends having good smart android mobiles I want to sell my mobile but the shopkeeper is not giving good price for my mobile and I worried about it and I dint have not so much bucks to my new mobile then one day my friend has suggest me to post on olx.in and I try it I very easy to use you can sign in from gmail id also or else facebook and I post ad there in two days I get good buyyer which wad ready to buy my mobile it is very good and very easy site to sell or buy.