How to Move billing address to below shipping address form in onestep checkout (IWD_opc)?

Question

How to Move billing address to below shipping address form in onestep checkout (IWD_opc) ?

We can move billing address section in shipping address area in Magento default checkout but not working same code for IWD_Opc

Answer 1

Magento 2: Placing Billing Address Right Under Shipping Address In Checkout

Above link helped me to crack this issue.