In JEE the general cutoff to get admission for betch is to get a rank below 20000 so so that you can get a good college with a good branch in general catogery only and to get a btech seat in IIT you have to get qualified in JEE ADVANCED andvet a rank about 5000 in AIR so you can get a good college in IIT too so hope that you get succeded in your life and all the  best for your future