First of all my greetings to you guys.

I am a resident of Islamabad and a somewhat proud owner of a Honda CG125 Deluxe. I was wondering that if it is possible to increase the engine cc capacity of my bike from 125cc to 150cc. I heard this from someone that it was possible to do this but I wanted to confirm it from any of you who may have expertise on this matter. I would like to state that I am not that much of a techy guy so please use easy terminology in case any of you may have some useful input to offer.

Thanks in advance.