@ riddle,
Yes. I already have my undergrad and im planing to apply canada PR on spring. and so I am starting french class next week. That's the only reason. If you have some suggestions, I would appreciate. 
Thanks.. 

I would suggest join the class at your nearest IELTS location. They are the one who check your exam papers, test your speaking. So, you will score much  more than you actually will.

Based on my IELTS experience twice you should be able to obtain 6.5 easily overall ,well even though my english is not that good i almost obtained overall 7 the second time ,and yes speaking is the only thing you should practice ,others is you should watch the time  during the exam .I practiced just materials that i found online the second time and did better than when i bought books cds the first time.wish you good luck.

 Thank You so much guys for your information. I will buy books and CD and practice. I am planing to prepare for 2 months and give test. I hope i would do good. My bad part is writing and speaking. I speak fast and people have hard time understanding me initally.
@ fantush which book did u use and is there any particular website would you like to refer for me?

Thanks..

@gallery ,it's been quite a while i appeared on Ielts and don't have book now either so can't remember but at the end books are just to help you guide, so any book for Ielts should work and here i've some links of IELTS you can go through and you can search more as well ,best of luck.
http://www.ielts-blog.com/
http://www.ielts-exam.net/
http://www.ieltsprepinfo.com/