Watch news channels and read the headlines which keep scrolling . They are in English as well as well in Hindi. try to grasp their meaning. Watch English movies with sub-titles, it will help you to learn the pronunciation. Another effective method will be to find English songs which you like, find out their lyrics and try to sing along while playing them , this helps a lot. First try to chat in written form in English with your friends while texting or on social network, this gives time to think and respond, then slowly you will gain confidence and start using English in your oral communication. you can also use it along with your mother tongue in beginning. Gain confidence, don't worry about mistakes. Good luck !!