What are the Indian Railways' rules related to middle berths?

The middle berth must remain folded during the day so that passengers on the lower berth can sit comfortably, The Indian Express reported, citing Indian Railways. Sleeping hours in reserved coaches are from 22:00 hrs to 06:00 hrs, while seating accommodation is to be used during the remaining time. Passengers should cooperate with those in need, such as unwell people.