According to the notification of last year published in the official website of Rajasthan Technical University, the hostel seats are divided as single, double and triple. 

For single seated room, charge is Rs 9060, for double seated it's Rs 7860 and for three seated, Rs 7260. These rates are annually. 

You can consider going through this link of official website regarding this matter-

http://www.rtu.ac.in/RTU/hostels

Hello

there are 3 types of room avaliable

1. Single seating annual fees- Rs9060

2. Double Seating annual fees -Rs 7860

3. Triple Seating annual fees - Rs 7260

There would also be a one time fees of Rs 1000.

To know more check this link:http://www.rtu.ac.in/RTU/wp-content/uploads/2018/07/scan0009.pdf.

Be mind that it is of last year and the difference wont be more.