Divakar,

1. The Hostels in IIIT-Delhi, are in one word, amazing! Very clean, well constructed, well thought of.

Night AC in summers and night heater in Winters.

There is amazing current generation WiFi Full 300Mbps dual link 802.11n routers and great bandwidth, along with ethernet links.

Clean and good washrooms!

Good housekeeping staff (Daily/alternate day cleaning of your room!) and good facilities/maintenance.

2. First years do not have any separate hostel; the hostel is common for everyone. The slight differences are in room allotment; senior students are given preference for single rooms if they desire. But the actual alotment of a hostel room is based on distance of home to institute.

3. Boys hostels have twin sharing rooms, girls hostels have triple sharing rooms (don't ask me why, I don't know). The sharing rooms are slightly bigger (to accommodate an extra bed). The furnishings are the same; you get one bed, one study table, one almirah, and a few drawers, for each room occupant.

Hope it helps.