come on Sonika, you need not be of English origin to pass IELTS. If you have had any experience of learning or speaking english, One can score 6.5 I think.
And xx992xx. Me too appearing for test in march. There are so much material online for practice. Just google them and practice.
I have posted one link too:
http://www.canadavisa.com/ielts/free-practice-tests.html
All the best.