GST ON SALES AND TRANSPORTATION OF GOODS

ONE OF MY CLIENT A PROVIDE TWO SERVICE 1. SALES OF COAL(5%) 2 TRANSPORTATION OF SAME COALS  

GOODS BILL1 CHARGES RS. 80000 + 4000(5%) GST...=84000 BILL

2 TRANSPORTATION CHARGES OF COAL RS.50000 (COMPANY PAID RCM ON 50000) (GVING CERTI AND CHALLAN THAT RCM HAS BEEN PAID BY COMPANY) NOT PAY ANY GST WE ARE NOT CLAIMING ANY TRUCK TYRE INPUT IS IT CORRECT ? COMPANY MAINTAINING TWO ACCOUNT AND ISSUE SEPRATE CHEQUE OF COAL AND TRANSPORTATION CHARGES