gst %on transportation?

0% on transportation of agriculture produces , milk ,salt , grains,, defence equipment , relief materials, news papers , magzines.

5% on other items , if you dont want to take input credit

12% if you want to take input credit

1. Land Transport Services of Goods:
SAC Code 996511 – Road transport services:- nil rate
SAC Code 996512 – Railway transport services:-  5%- with ITC of input service
SAC Code 996513 – Transport services:- 18%
SAC Code 996519 – Other land transport services:- 18% 
 

2. Water Transport Services of Goods:-
SAC Code 996521 – Coastal and transoceanic (overseas) water transport services:-  18%
SAC Code 996522 – Inland water transport services:-  nil rate

3. Air Transport Services of Goods:-

SAC Code 996531 – Air transport services:- 18%
SAC Code 996532 – Space transport services:-18%

For your more doubt and issues related to GST, you can visit GSTForumindia.in and ask your question freely.