With 70% marks in your Maharashtra boards exams and a 99.89 percentile in MHT CET, you have a very strong  chance of getting admission into top branches likecomputer  Science, AI, or E&TC at COEP Pune. The college accepts admissions mainly through the MHT CET state quota, and your percentile is well above the usual cutoff for most popular branches. Your board percentage also meets the eligibility criteria admission. Make sure to participate in the CAP counselling round  and fill COEP as your top choice to increase your chances. Based on previous  trends, your chances look excellent.