Do require a Professional tax ID and & its certificate ID when conducting export as proprietor

mack (Thinking-to-start-business)   (154 Points)

07 December 2022  

Starting a Proprietorship for an Export business do I really require a Professional tax ID and & its certificate ID.

Because when I was working as an employee  in an MNC company then my company was paying TDS including 200 rupees Professional tax every month and they didn't give me any Professional tax ID or its certificate ID so I don't know where to get this Professional Tax id or certificate if it is mandatory for me.

Please help me out by simply telling that Professional tax is mandatory or not for my business layout. 

Where do I get my Professional tax ID number or its Certificate ID number if those were generated by my employer on my behalf of me but never given to me ? or they are generated new every time when a person joint a different company?