Which of the best course options are available after completion of XII Commerce??

After completing XII in commerce stream, you can pursue either diploma or degree programs.

Best Diploma programs after 12th commerce
Diploma in Education
Diploma in Hotel Management
Diploma in Tourism and Travel
Diploma in Airhostess and Flight Steward

Best Degree programs relevant to commerce stream

Bachelor of Commerce
Bachelor of Commerce in Computers
Bachelor of Commerce (Honours) in Accounting and Finance
Bachelor of Commerce in Accounting and Finance
Bachelor of Commerce in Computer Application
Bachelor of Business Administration (Honours)
Bachelor of Business Studies
Bachelor of Business Management
Bachelor of Computer Application
Bachelor of Commerce in Banking and Insurance
Bachelor of Arts in Economics
Bachelor of Arts in Fashion Communication
Bachelor of Business Administration

Professional programs
CA,
ICWA,
CS,
CFA