GTA Service under E Invoice

We have doing two type of business in same PAN no.
1st Business is GTA services Provider (RCM basis)
2nd is Container Handling Services (Forward Charge Basis)
 
We have a turn over more than Rs 150/- Cr. in 19-20 FY.
We know Goods Transport Agency (GTA) by road are exempted from the e-Invoicing process.
But Container Handling Services are in following  the e-Invoicing process.
Every month we make two type of Invoice one is GTA services Provider and 2nd is Container Handling Services’ SAC Code 996711.
 
Now question is 1/Whether we are eligible for E Invoice?
2/ If yes, then which part of our business is fall to make e invoice GTA or Container services provider?
3/Please provide the section ?