Hello Aspirant! With this rank. you may have chances of getting lower NIT's with core branches or other GFTI's. Getting IIIT would be difficult. You may get upper branches in  GFTI's like Assam University, Tezpur University, Mizoram University. Or else you can try in other state level counsellings like JAC Delhi and JAC Chandigarh. You have higher chances of getting a good college in JAC Delhi and Chandigarh.
You can also try in other top tier private colleges like:
Thapar University
VIT Vellore
KIIT, Bhubaneshwar
Chandigarh University
etc.
You can also use this link to predict your college:
https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp