Even though you are a ktm lover avoide 125 and get Mt 15/RTR 200/Fz 25 for a little strech. You will feel the deficiency in power soon as you get your motorcycle and you will regret it for your choice. Yes, every one will praise it as a good beginner bike. And that's the point, after you learn riding and gain confidence you will feel it underpowered for your liking and you cannot be able catch up with similarly priced motorcycle and you will see the need for replacement quickly. The above mentioned bikes are not a huge step up in power as compared to 125 duke, but it will be enough. And will be more easier to live with