ಮೈಸೂರು - ವಾರಣಾಸಿ ಎಕ್ಸ್‌ಪ್ರೆಸ್: ಕಾವೇರಿ ಮತ್ತು ಗಂಗಾ ನದಿಗಳ ಸಂಪರ್ಕ ಸೇತುವೆ - Vishwanath Joshi

Lounge is a place where you are relaxing in a comfortable probably AC room with cushioned chairs / sofas. and has TV charging points, bath toilets and is available on hourly basis.
First time I tasted this was at MAS courtesy our friend Pramodh K who is also a longtime on this forum.
The dormitories are cluster of single beds in big hall with lockers and common bath toilets fans. Both types are available AC or Non AC
depending...
more...

upon grade of stations the furniture and layout is different.
There are Male female dormitories as well.
Then rooms which are exclusive to occupant lockable with all amenities as are available in a modest hotels Toilet Bath Geyser
Single rooms and Double rooms Ordinary are available
Deluxe rooms have TV added
and Suits (may) have carpets and all British heritage visitors Sofas and may be they drop local news papers. But I have not stayed ever in suits as alternative accommodations are usually available if one books in advance.
Rooms are good for family.
Online booking helps avoid all doubts and misunderstanding.