Yes. You can file RTI to North Bengal University to verify your mark sheet.
The University of North Bengal was established by an Act of the Legislature of West Bengal in 1962. Hence, it is a 'Public Authority" as per Section 2 (h) of the RTI Act.
A RTI application for verification of mark sheet should be addressed to the designated PIO of the University and must be accompanied by a copy of the mark sheet that you want to verify by paying the prescribed fee.
To know more about the procedure to file RTI for Marksheet Verification please refer https://onlinerti.com/how-to-file-rti-online-for-marksheet