However, I can provide you with a general overview of the topics covered in Chapter 7 of B. Com 1st year.

Chapter 7 of B. Com 1st year may vary depending on the specific university or institution you are studying at. To provide a comprehensive answer, it would be helpful to know the specific subject or topic that Chapter 7 is referring to.

However, in general, B. Com 1st year covers a wide range of subjects related to commerce and business. Some common subjects include:

1. Principles of Management:
- Introduction to management
- Functions of management (planning, organizing, staffing, directing, controlling)
- Evolution of management thought
- Managerial roles and skills
- Decision making and problem-solving

2. Accounting:
- Introduction to accounting
- Accounting principles and concepts
- Double-entry system
- Journal entries and ledger accounts
- Trial balance and financial statements (income statement, balance sheet, cash flow statement)

3. Business Mathematics and Statistics:
- Arithmetic and geometric progressions
- Measures of central tendency (mean, median, mode)
- Measures of dispersion (range, variance, standard deviation)
- Probability theory
- Correlation and regression analysis

4. Business Communication:
- Communication process
- Types of communication (verbal, non-verbal, written)
- Business correspondence (letters, memos, emails)
- Report writing and presentation skills
- Effective listening and speaking skills

These are just some of the possible topics that may be covered in B. Com 1st year Chapter 7. It is important to consult your specific course material or textbook for the accurate content and details of the chapter.