As of my last knowledge update in January 2022, I don't have specific details on the curriculum or syllabus for the Diploma in Computer Application (D.C.A.) at Vandana Computer. The syllabus for D.C.A. programs can vary between institutions. For the most accurate and up-to-date information, I recommend contacting Vandana Computer directly or checking their official website. They should be able to provide you with detailed information about the courses, subjects, and modules included in their D.C.A. program.

In general, a D.C.A. program typically covers fundamental topics in computer applications and software development. Some common subjects include:

1. Computer Fundamentals:

   - Introduction to Computers

   - Computer Hardware and Software

   - Operating Systems

2. Programming Languages:

   - Basics of Programming

   - Programming in a specific language (e.g., C, Java, Python)

3. Database Management:

   - Database Concepts

   - SQL (Structured Query Language)

   - Database Design

4. Web Development:

   - HTML, CSS, JavaScript

   - Web Design and Development

   - Basics of Content Management Systems (CMS)

5.Software Engineering:

   - Software Development Life Cycle (SDLC)

   - Software Testing and Quality Assurance

6. Networking:

   - Basics of Networking

   - Internet Protocols

   - Network Security

7. Project Work:

   - Practical implementation of learned concepts

   - Project Documentation and Presentation

Remember to check with Vandana Computer for the specific details of their D.C.A. program, as they may have a unique curriculum tailored to their institute's objectives and focus areas.