GST patch for NAV 2013 R2 available on following link
https://mbs.microsoft.com/Files/customer/NAV/Downloads/IN7.1TFS180484GSTGoodsandServiceTax.exe
GST patch for NAV 2013 R2 available on following link
https://mbs.microsoft.com/Files/customer/NAV/Downloads/IN7.1TFS180484GSTGoodsandServiceTax.exe