Dear aspirant at first very much congratulations for your result and well wishes for your upcoming life. You have  mentioned your category rank but you have not mentioned the name of your category exactly. If your category is ST then you will get easily almost any departments in any NIT's , if it is SC then you can miss top departments in topmost NIT's and if it is OBC or EWS then it will be of little difficulty for you to get CSE IT like branches it top most colleges like NITs . Although your chances of getting other departments in any NIT's . I am predicting your chances comparing with trends of previous years but cut off changes in every year.

Well regards and all the best.

However you can further check your college predictions in our link

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Meena, We will need your All India Rank because Category ranks like cut offs keep changing every year. Category ranks and Cut offs depend on various factors such as total no .of seats available, difficulty of the exam, previous year cut offs, no.of Candidates appearing for the exam and no.of Candidates applying for a course. So please do help us with your All India Rank or alternatively please use our College predictor for the complete list of Colleges that you may have a shot at: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer