CBSE 12th

Hello Kartik,
Your stream will decide your career.
With this information, I can only suggest you Govt. jobs.
The Government of India has setup various recruitment agencies, commissions and recruitment department to recruit staff in several departments.
Staff Selection Commission: Staff Selection Commission (SSC) Examination for Higher Secondary Level (10+2) examination for the positions of Data Entry Operators/Lower Division Clerk, Stenographer (Grade C and Grade D) and Non-Technical Staff.
visit:
https://scoop.eduncle.com/ssc-chsl-notifications-exam-date
UPSC Competitive Examination: UPSC holds the examination twice in a year to recruit staff in the Army, Navy and Air force Wings of the NDA. One can get the position of Army Officers in Air Force and Navy. UPSC also hold the examination of Special Class Railway Apprentices Examination (SCRA) for the recruitment of Railway Apprentices.
Indian Army: There are lots of jobs in Indian Army for 10+2 passed students in Indian army for the following positions.
Technical Entry Scheme (TES) for Male 10+2 (PCM) candidates
Recruitment of Soldiers
Recruitment of Mahila Constables (General Duty)
Junior Commissioned Officers (Catering)
Indian Navy: You can apply for the following positions in Indian Navy if you have passed 10+2 examination
Sailor Senior Secondary Recruits (SSR)
Sailor Artificer Apprentice
Direct Entry 3 Year Diploma Holder
Cadet Entry Scheme Technical
Commercial Diving Course
You have passed 10+2 with a minimum percentage of marks and subject as the post eligibility required.