It would seem even Mandsaur is.
* Relevant WR tweet: click here
* Ratlam division chainage map: click here
What I'm hearing from folks in MDS is that Shivna is flowing about a...
more... foot beneath the railway bridge, and due to the slope of the land in the adjoining area, tracks are submerged after the bridge leading towards Jaora.
As an aside, it seems that people in WR are not talking to one another. The MDS tweet talks about trains being diverted via KOTA-NAD, and the NAD tweet talks about trains being diverted via COR-KOTA.