Vijay, she can opt for:

• B.Tech/B.Arch or B.Planning, For that she has to attempt JEE Mains, AP EAMCET, TS EAMCET, GUJCET, WBJEE, KCET, COMEDK, etc depending on the State you belong to.
• She can study B.Pharmacy and again the above exams are also for admission to Pharmacy courses
• Then she can study CA/CS which are in huge demand professional courses.
• B.Sc Statistics, Mathematics, Acturial Sciences are also her options
• She can appear for IPMAT which is an entrance exam for admission to Integrated Management Course at IIM Indore.
• She can opt for Pilot Training too

CBSE has released a list of options that students can pursue after their 12th in each of the streams. You can check that at our article: https://news.careers360.com/cbse-releases-list-compendium-courses-students-pursue-after-12th

Hii!
There are a lot of courses and career opportunities after completing class 12th with PCM Subject ombinations.
Some of the options which you acn consider are-
Defence forces
B. tech Agriculture
Marine engineering
Architecture
Aviation
Law
Management
Entrepreneurship
IT and computer science
Visual communication
Journalism and Mass media
Etc.,
Hope this helps.
Good luck!