Looks like you have no idea how to start. Have a look at this article:
Translation Web Service in C#[
^]
Actual problem(or say a different project) would be to translate the sentence in Engligh to Telugu. Take step wise - first the UI and then the way to do it. Using any exposed webservice would be a good idea(shared article above). You can also device your way to convert from English to Telugu and display it.