well if you are confident about your english or grammer thn why dont you go it ielts or tofl, by this way you will not only check your english proficiency but in future if you are planning to go out of India, you can use that certificate tooo. one more thing that you have to work hard to clear that examination and also you think you cant crack that exam yourself thn it wud be good if you take classes for ielts.
If you think you can do it yourself that dude just do lots of online research, read newspapers, listen news etc, take surverys...... here i am giving you a link, you can take some knowledge from here. //app.fluidsurveys.com/s/globalstudentsurvey/
