I am retired and wanted to start a photocopy shop at my residence. What license I should obtain and from which office

Where are you located? Laws and requirements vary from area to area.

I have opened a xerox shop at KK nagar. I want to know whether to apply for licence and is their any registration of shop formalities

I have started a xerox shop at KK nagar Chennai. Do I need to apply for licence & register my shop. If so to whom should I contact and what are the documents needed to get licence & register my shop. Is it compulsory? It is a rented shop. Please help me.