Diploma in Office Management-Sri Lanka Institute of Development and Administration

Administrative Management & Office Operations:
This includes principles of management, office planning, organizing staff, and procedures, as well as document management.  
Business Skills:
You will likely learn about communication skills, customer service, time management, and problem-solving techniques relevant to office environments.  
Information Technology & Computer Skills:
The program may cover end-user computing, essential IT tools, and software applications used in modern offices.  
Language and Communication:
This could include business communication, report writing, and possibly specific language proficiency depending on the program's requirements.  
Other Potential Areas:
Depending on the specific curriculum, you might encounter elements of organizational behavior, human resource functions, or even basic accounting and financial understanding relevant to office administration.  
Principles of Management, Office Procedures, Document Management, Communication Skills, Organizational Behaviour, and Time Management.