29 May 2017
After GST roll out you have charge CGST and SGST for intra state Supply and IGST in case of inter state Supply.In GST tax is to be paid on supply of goods and services and not manufacturing or sale.
kindly see me video to understand the same.
https://youtu.be/SALnvequJNw
29 May 2017
Yes one tax will be levied on both mfg as well as on sale. In case of 18% GST , CGST 9% payable to central Govt and 9% SGST payable to state Govt in one single invoice. Return to be filed to single authority.