* Good job, and more such works need to be undertaken on large scale through out the IR network.
* Super saturated network of IR can ill afford to have speed restrictions which not only reduce the speed and increase the journey time, but also reduce the sectional capacity thereby blocking the possibilities to run additional trains on the section.
* Temporary Speed Restrictions which are a result of overdue maintenance should not should exist at all. Efforts should be made to relax or remove the permanent speed restrictions by suitable activities like...
more... slewing to track, smoothening of curves, strengthening of foundations/bridges etcwhich is a tough job.