Dear vamsi,
You need not to worry as you can learn organic chemistry in 2-3 months provided you learn by full commitment and dedication. You should have a strong hold over physical and inorganic chemistry.
Please feel free to post as many doubts on our discussion forum as you can.
We are all IITians and here to help you in your IIT JEE preparation.
All the best.
win exciting gifts by answering the questions on Discussion Forum.