I believe this might happen.
1. Indian deliberately open LAC to see the China reaction and mange that to see what extension that scales out. I believe with Quad, they will try to contain that front.
2. Once that front is contain, then they will go offensive in parallel with western front w/...
It is hard to fight with Americans, Most western countries will take side with US, in US vs China. Hwei will eventually come winner, need to built self sustainable model and opportunity will come at right time if not sooner.