That's the common problem students has when they come out of college. And this is how you can improve it:-
1) Listen to BBC news daily 20 to 30 min:- this will help to improve your english(listening and peaking both)
2) Start writing a blog:- this will improve your English writing skills.
3) Read newspaper editorial
4) Practice - Practice and Practice - Create a group of like minded friends and discuss various topics in english.
