Meenakshi, first, you need to provide a brief background on any information you have encountered regarding such a question. During your studies, whether in a Diploma or Degree program, you must delve into HR, Admin, and IR concepts. Nowadays, many organizations have these as separate departments, although they are interconnected. In some organizations, the HR personnel are responsible for all three functions.
Understanding the Distinction
From an activity perspective, you cannot mix them together. Administrative activities include Canteen Administration, Security Administration, Water Administration, etc. On the other hand, HR focuses on enhancing employees' skills, knowledge, and abilities through training and development, competency mapping, and similar initiatives.