Greetings govind!

Your question isn't clear, but I think you want to know that what you can do after PCM. Well a PCM student has an option to opt for various streams and not Just the science streams. You can opt for the following courses further.

• B.E/B.tech :- most aspired course among science students, after pursuing this you can get job in reputed companies.
• Bsc :- Bsc in particular subject such as physics, chemistry, maths will make you eligible for M.Sc,Work as a teacher, professor or lecturer, researcher, laboratory assistant etc.
• BCA/BCS:- Jobs in IT companies, technician, tech- support, IT support, BPO etc.
• NDA :- working in Indian army, airforce or navy.
• Indian Army Technical Entry Scheme Course :- commision in the army in the rank of lt.
• Law:- law is really a good option to pursue.
• B.A :- you can opt for BA in courses other than science as well.
• UPSC:- for civil services

Here's a link which will help your further https://school.careers360.com/articles/courses-after-12th-pcm

Hope it helps.
Thankyou!