Basic query

GST applicable only if his aggregate turnover exceed 20 lakhs.

Its outdoor type catering service..... '996334'

Cash at hand,  Creditors & Debtors  & Inventory details are mandatory in ITR when income declared under presumptive scheme, (or no accounts maintained case).

Amount of Sundry items used in daily work !! It may value negligible......

As per rules, for service provider, stock in trade should be zero.

But when you wish to declare some unused items (inventories) like shops, cream, shampoo, lotions, blades etc... lying in the shop, as on 31st March....... you can estimate its value as per purchase bill & declare the same in ITR.

When no books of accounts maintained..... all the figures would be just estimated only !!!

For income tax business code........ it will fall under..... '10010'  

Its Service....