Yes, you can apply RTI for Marksheet Verification to Mizoram University.
Mizoram University is a Central University under the University Grants Commission, Government of India, and was established on 2 July 2001, by the Mizoram University Act (2000) of the Parliament of India. Thus, Mizoram University is a Public Authority as per Section 2 (h) of the RTI Act 2005 and comes under the ambit of the Act.
Hence, you can apply RTI for Marksheet Verification to Mizoram University by paying the prescribed fee.
To further know the procedure for filing RTI's for Marksheet Verification, please refer https://onlinerti.com/how-to-file-rti-online-for-marksheet