GST FILLING & REGISTRATION IN PATNA NO FURTHER A MYSTERY

The main 2 digits on the GSTIN is definitely the State code, future ten digits are classified as the PAN of the authorized entity, the following two digits are for entity code, and the final digit is Test sum number. Registration beneath GST isn't tax specific which suggests that there is one registration for each of the taxes i.e. CGST, SGST/UTGST