99.09 could fetch you a rank around 9309-10465 and obc category rank around 2300-2500 .now these are based on previous year analysis .As of now its tough to say because the analysis and also cutoffs change every year due to many factors like total students appearing for exam,difficulty level of paper etc.The last year cutoff for nit surat , closing rank for round 6 for cse is 3061 by rank.now you have a rank below which shows you have fair chances to fetch seat in nit surat for cse.note that this is based  on last year cutoff for round 6 counselling.good luck for the upcoming jeemain sessions.for more information to get a personalised report on what all chances you have for your rank refer to: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

hope this helps,

thankyou.