Hello,

From your profile it seems you belong to Andhra Pradesh, if your query is regarding state board 12th results then Board of Intermediate Education Andhra Pradesh had already declared the results for Class 12th
on June 12, 2020 on the official website, bie.ap.gov.in which you have already accessed by now, and for career options after 10+2, the definition of best is subjective in that sense, it largely depends on your areas of interest, skills, aptitude, your interest for a particular job profile etc, I've mentioned below some of the options pertaining to your field of MPC and outside it as well, choose accordingly as per your preferences.

With PCM Stream if you'r interested in technical field, you can go for Engineering/ Architecture course/Railway Apprentice Exam/AME Training, CPL Training, BCA.

In the field of Marine/Navy/Defence, you can appear for IMUCET, Indian Navy BTech Entry Scheme, Indian Army Technical Entry Scheme, Indian Navy Sailors recruitment,National Defence Academy.Naval Academy Examination.

If you're academically inclined and interested in research or teaching, you can do BS-MS Dual Degree from IISER, or four years BS degree program in IISC(Bangalore) through KVPY, you can also appear for NEST for 5 years integrated MSc program in NISER(Bhubaneshwar)/ UM DAE CABS(Mumbai), after this you can qualify for CSIR NET/SET, become assistant professor or pursue PhD. In case of teaching career in school level, you can do BSc-BEd. You can apply in Indian Statistical Institute for BSc Maths/Statistics. ICAR AIEEA UG for BSc Agriculture.

Some of the best options outside your field are

NCHMCT JEE for Hotel Management,
NIFT, NID, AIEED for Fashion Designing,
AILET/CLAT/LSAT/BHU UET to name a few for integrated law program.

In addition to above, you can further explore the field of Journalism,Animation,BBA/BBS/BMS,Chartered Accountancy, Company Secretary,Certified Financial Planner, Certified Management Accountant.