How to find out the taxable value from a bill of works contractor to file the return of GSTR-3B and GSTR-1
Further I would like to add that bills contains without GST No
I have attached the bill to find out (1) Taxable Value of the Bill (2) Tax Payable by the contractor 
Chirag N Shah & Associates
Mumbai
CA Inter
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Arvindkumar Maniar & Co.
Rajkot
CA
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Triveni Turbine Limited
Bengaluru
CA
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