taking PCMB after 10th is a good choice ?

Hello.

Of course choosing  PCMB after 10th is a good choice. You will have a lot of options after you complete your 12th. In case you are now interested for medical and after 12th you change your mind and divert towards engineering, you won't have to regret . Set a goal and work passionately towards it. You will definitely succeed.

All the best.

Ayush, yes it is. Infact it is a smart move. You will get 2 years to figure out how you want to shape out your career. Because you can appear for both Engineering and Medical Entrance examinations. And you will have an opportunity to explore your career options in both the fields. CBSE has released a list of courses that each student can study after their 12th in each stream. To check your options, please visit their official page at: http://cbse.nic.in/newsite/attach/Compendium%20of%20Courses%20after%20+2.pdf