MVPN routes are not exchanged between the PE.
Topology of customer is they have 2 Mx PEs each has Cisco CPE connected.
In between the CE there was a backdoor link which was up via OSPF and that was getting preferred, because of which we were not seeing any routes.
Changes were performed to prefer the PE route post that reach ability was up and could see the routes.
Routes need to be preferred via connected PE links to form the routes.