though the BOSSE certificate are Generally accepted by most University still it will be a very good idea to check the specific eligibility of the university that you are interested in some universities me as specific requirements for students from regular School.You can contact the universities admission office to clarify any doubts.Many University especially the top ones require the students to clear the entrance exams like JEE mains neet clat etc. So if you perform well in these exams they will give you a significant boost. Still most importantly there is a great chance that you won't be facing any problem as the marksheet is accepted by all the universities in India

Mostly, yes BOSSE marksheet is accepted by most universities but still just send a mail to the universities you are interested in to confirm if they accept it. Do keep a track with their websites for their policies and if not contact them personally via mail.