casual question

Such designation is normally used in Government (Public Authorities).  You can search in website of that public authority for the format of RTI Application, mode of payment of RTI fees (Rs.10), and can as a right seek such information from that Authority.  You may seek information as follows:

Reg: Information on NODAL OFFICER.

Information solicited:

1. Please provide a certified copy of the appointment order of NODAL officer

2. Please provide me a certified copy of order/notification/circular/directive/conditions that states the job responsibility and functions of such a Nodal officer.