If the government makes a political decision, it can and does browbeat PSUs into compliance. There will be a lot of teething troubles and loss of productivity.

If the government makes a political decision, it can and does browbeat PSUs into compliance. There will be a lot of teething troubles and loss of productivity. But the thing is it won't matter for PSUs, nobody expects them to be highly efficient. I remember reading years ago that IDBI (A quasi-PSU Bank) switched to Linux for their terminals. The core banking for most Indian banks is powered by Finacle on Linux.