The term ‘pan’ means ‘including or incorporating the whole of something.’ Hence, pan-India, means including or incorporating the whole of India. Pan-India denotes something that relates to the whole of India, and/or incorporates all its ethnic, religious, or linguistic groups.
The term ‘pan’ can be used to relate to anything, such as pan-Asia, pan-regional, pan-America, etc.
In terms of business, if a company is referred to as being pan-India, it means that the company has a presence, i.e. offices and branches across India, and operates throughout India. Due to this, PAN in Pan-India, is often said to be an abbreviation of “Presence Across Nation.”