Gujarat Mail - as good as Undhiyu

@first blogger:
Tech halt for a particular train is a where station / junction where a train stops only for the following events:
1. changing crew/locomotive
2. Restocking meals / water on the train
3....
more...

Sanitary cleaning
what is not allowed:
4. No passengers are allowed to board the train at these stations
5. No passenger ticked are issued for travel to and from these stations on that particular train.
What is allowed:
6. Passengers can disembark at these halts, provided they are booked upto a commercial halt beyond the technical halt, in the direction of travel.