Hello Aspirant! kindly clear if it's your CRL rank or category rank. If it's your CRL rank then you may have chances of getting core branches in lower NIT's. Getting IIIT is not possible. You may get GFTI's like Assam University, Mizoram University and others. You may try in CSAB round as you may have chances of getting one but not CSE in any colleges under JOSAA. You may try for some state level counselling's like JAC Delhi and JAC Chandigarh as chances are high of getting CSE branch in these counselling's. You can get CSE in the top tier private college that is Thapar University.
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