Gst on selling recharge vouchers and sim cards

CA Sachin Agarwal (Chartered Accountant B.com (Accounting Hons))   (831 Points)

22 December 2017  

Mr. X is dealing in selling mobile phones, SIM cards and Recahrge vouchers in retail to ultimate customers and Mr. X is registered as a composition dealer.

What is the taxable turnover for the purpose of calculation of GST??