The process of hostel allotment process in JNU depends on various factors given below:

Firstly, upto 22.5% (15% for SC and 7.5% for ST, (interchangeable, if necessary) and 3% of the seats in the hostels are reserved for the SC/ST and Physically Handicapped candidates respectively. All SC (Boys and Girls) except residents of Delhi will be provided hostel. The SC/ST/PH students are exempted from payment of hostel fee (room rent). This is applicable only to those SC/ST/PH students who are not in receipt of fellowships/ scholarships and whose parents/guardians income is under Rs. 75,000/- per annum.

The criteria for allotment of hostel accommodation by the University is as under :

First Priority

(a) Students admitted to a full-time Programme of study and who have passed their qualifying examination from places outside Delhi and are not resident of Delhi excepting those who are admitted to a level at which the student already has a degree or has pursued studies in JNU (at the same level) with hostel accommodation.

(b) Students who have passed their qualifying examinations from Delhi but have stayed in recognized University/College hostels and are not resident of Delhi, subject to their furnishing documentary evidence alongwith hostel application from the Head of the College/Institution to the effect that he/she had been a resident student.

(c) Students who have passed their qualifying examinations from Delhi institutions by making their private arrangements for accommodation but at the same time do not have their family residence in Delhi subject to their furnishing a documentary evidence to the satisfaction of the University authorities.

Second Priority

Outstation students who are admitted to a programme at the level at which the student already has a degree or has pursued studies in JNU (at the same level) with hostel accommodation.

Third Priority

Fifth semester of two-year M.A. and M. Phil. 9th semester Ph. D. and local students in that order. Admission to the local students when provided will be only for the duration of the current academic session strictly and such students would be required to surrender the hostel accommodation latest by 31st May of the Academic Session.

For more details you can visit JNU website.

I hope this helps.