2. Nodal office
The office which is considered as a hub or node for knowledge where all other offices are connected called as Nodal office.
Explanation:
Offices that act as a liaison between registrants and a record keeping agencies are called Nodal Offices. It is like node where all offices are connected to each others.
It include the Principal Accounts Office, Pay and Accounts Office and Drawing & Disbursing Office under the Government.