Hello aspirant! Let me to inform you that according to the previous years cut off rank the rank that you have got is quite high for the iiits . The Chances for you to get admission in the iiits looks bleak but you must try in csab round. You might get admission to the newly opened iiits. 

Hello aspirant!

I am sorry to tell you but with an OBC ranking of 43500, I don't think you will be able to get any college in CSAB special round. This round is even more crucial than the JOSAA counselling. I would advice you to look into some other colleges for admission!

I wish you all the very best!