Here is a brief overview of the types of content that may be covered in 12th Commerce classes for the topics you have listed:

Advanced accounting: This may include topics such as financial statement analysis, cost accounting, and taxation.
Business statistics: Students may learn about statistical methods and techniques that are commonly used in business, such as data collection, analysis, and interpretation.
Business communication: This may include topics such as effective written and oral communication, business writing, and presentation skills.
Business policy and strategy: Students may learn about the process of developing and implementing business plans and strategies, and how to analyze and respond to internal and external factors that may impact a business.
International business: This may include topics such as global trade, cross-cultural communication, and managing operations in a global environment.
Entrepreneurship: Students may learn about the process of starting and running a business, including topics such as identifying business opportunities, developing a business plan, and raising capital.