FSSAI stands for Food Safety and Standards Authority of India which is an organization that monitors and governs the food business in India.It is a 14-digit registration or a license number which is printed on all the food packages.
TAN is a Tax Deduction and Collection Account Number, it is a 10-digit alphanumeric number.The number is required to be obtained by all persons who are responsible for deducting or collecting the tax.
Gst is a single tax that will replace all the existing indirect taxes in india. These taxes include sales tax (vat), excise duty (cenvat), service tax, entertainment tax, luxury tax etc.
GST return is a document containing details of income (include Purchase and Sales) which a taxpayer is required to file with the tax administrative authorities. This is used by tax authorities to calculate tax liability. GST's 5 different slab rates at 0%, 5%, 12%, 18% and 28% for both goods and services.
MSME stands for Micro, Small and Medium Enterprises. MSME registration is registration of micro/small/medium enterprises, earlier it is called as SSI registration and now it is also called as Udyam registration.