PGDCA or Postgraduate Diploma in Computer Applications is a 1-year postgraduate diploma course. 

The basic eligibility criteria required to pursue this course is graduation from any recognized university (or 10+2+3 format of education).

Admission is usually done directly on the basis of merit in most of the colleges.The major subjects that one would get a detailed knowledge of when pursuing PGDCA are Operating System, Microsoft Tools, System Analysis & Data Processing, Web Design, Oracle-VB, TALLY, and Computer Languages such as C, C++, and JAVA.