Turnover declare how much amount in i.t.return

Sales turnover includes sales with taxes and net of excise duty in generic terms.But,  Turnover  is define  under  section 2( 91)  of the companies  Act  2013 and aggregate turnover isn’t defined under section 2(6)  of the CGST  act  2017. ( SGST / UTGST Act 2017 same ) which is like 

Value of all (taxable supplies + exempted supplies + Nil Rated supplies + Zero rated supplies + Non GST supplies) – (Taxes & Compensation Cess under GST Act + inwards supplies + supplies under reverse charge)