turnover in gst9c

Meet Shah (ACA) (178 Points)

06 June 2019  
Doing Real estate businesses..
For Eg Flat cost Rs. 30 Lakh amount received in installments for ₹10 lakh each in F y 16-17 FY 17-18 & last in
F Y 2018 -19 we have paid GST on both the installments and showing same as B2C in GST3B as well as GSTR1 now sale deed will be made in F Y 2018-19 as per income tax in this year revenue will be booked as turnover my question is that what should i take as turnover for GSTR9 as the same is never matched with my Tax Audit report (both have different computation methods) how to do 9C reconcilation??