As per GST law, “aggregate turnover” refers to the aggregate value of all taxable supplies (excluding the value of inward supplies on which tax is payable by a person on reverse charge basis), exempt supplies, exports of goods or services or both and inter-state supplies of persons having the same Permanent Account Number, to be computed on an all-India basis but excludes Central tax, State tax, Union territory tax, Integrated tax and cess.
Now, understanding the concept in simpler terms:
Aggregate Turnover in common terms means total sales volume of the business in the entire financial year i.e. April to March. Inclusions and Exclusions under aggregate turnover in GST is as follows