related to transporter service

chetan (studant) (68 Points)

13 July 2017  
who is liable to pay gst after considering following situation:-
1. supplies are INTRA state by GTA 
2. consignee and consignor both are unregistered
3. and also transporter is unregistered
Qus.:---
a). when total supply does not exceeded by 20 lakh respectively of all of three business mens.
b). when total supply has exceeded by 20 lakh of transporter in intra State but rest two unregistered supplier's​ supply does not exceeded.