Hello Upender

In most of the medical colleges in india hostel facility is provided from day one except a few.

You won't have single Room option in the first year. You will have to share the room with two or three students.  In the second year you may get option for single Room.

There are AC as well as Non AC rooms . Charges are high for AC rooms . It will be charged 3k to 4k per month for Non AC Room and 6k for AC Room.

In some universities hostel facility is not available for first year students.  You will get accommodation in doctors Room where you will have to share the Room with 4 - 5 students.