YOu are a dropper .If you want to prepear for IIT JEE than you have only 3-4 month left.
Rank totally depends upon you how much hard work you can do.
Difficuty level of IIT JEE is graler than MHT-CET.so you need to start prepration for IIT JEE from begning.
Books Recommended on this is good for IIT JEE prepration.
You are serious about IIT JEE
then I will suggest you to join coaching classes.
u can start online coaching where you can have a flexible timing ..So i wud advise you to join Askiitians.com.
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