Hello Aspirant,
According to the rank and category mentioned by you in the question you have good chances of getting IIT Guwahati but not with CSE Branch according to previous year's cut-off. As we go through previous year's cut-off then it shows that last year the closing rank for CSE branch in IIT Guwahati was 117 for ST category.
You can check out previous year's cut-offs for IIT Guwahati from the link given below :-
https://engineering.careers360.com/articles/jee-advanced-cutoff-for-iit-guwahati
Note that the above prediction is made on the basis of previous year's cut-off and the cut-offs are bound to change every year depending upon various factors such as the number of candidates appearing in an examination, the number of candidates qualifying an examination, difficulty level of the paper, and so on.
To have a list of all those colleges which you can get based upon your marks, category, and state you can use JEE-Advance College Predictor:-
https://engineering.careers360.com/jee-advanced-college-predictor?icn=QnA&ici=qna_answer
I hope this information helps you.
Good Luck!!
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