Is it beneficial to opt PCMB in 11th standard?

If you are concentrating on competitive exams then you may find it difficult to focus on them because they have a very huge and difficult syllabus. Like if you prepare for top 500 rank in JEE advanced then you cannot expect to be able to get Prepared well for AIIMS as it increases your burden you cannot study for both subjects with full concentration . But otherwise you may like to go to a local community college or just because you are interested to study the subject . Then you may take it covering school syllabus will be relatively easier.
ya why not but it will be too difficult to handle them together