I completed BCA+MCA+B.Ed.Can i join as a teacher in Mritak Ashrit rule of gov.i did not want to join as a clerk. some persons say "NO"

My father was a teacher in inter college and he was expire before his retirement so i want to ask you to join as up government rule Mritak Ashrit as a teacher if yes ,which subject i will prefer at joining i have completed BCA+MCA+B.Ed.some person says that computer is not a subject in upboard.