Yes. I think you have a good chance to write your JEE Advanced exam.

I hope the following links may help you :
1) JEE Main 2015 College Predictor
2) JEE Main Expected Marks or Rank to take admission in NIT Colleges 2015
3) List of colleges that accept JEE Main scores
4) JEE Main 2015 Participating Institutes

You can also find the closing ranks of various branches of different institutes (category-wise) from CENTRAL SEAT ALLOCATION BOARD( csab.nic.in ) website,for eg. http:// csab.nic.in /csab2014/PDF/Closing_Rank_After_Round_III.pdf