During the Governor's Address 2013 and Budget Speech, 2013-14, it has been announced that the State will create the State Residents Data Hub (SRDH) as a unified data repository with biometry enabled citizens' data derived from the National Population Registry to service all departments.
Orders have been issued in G.O.Ms.No.21, IT Department, dated: 20.11.2013 giving administrative approval for the Project
In the above G.O., the Government have accorded  approval for the following:

  • Nomination of Tamil Nadu e-Governance agency (TNeGA) as the Nodal Agency for the project.
  • Use of National Population Register (NPR) Data of residents with AADHAAR number as a core database by State Government for State Resident Data Hub (SRDH).
  • Signing of Memorandum of Understanding (MoU) by State Government with Unique Identification Authority of India (UIDAI) for Authentication Services.
  • Signing of Memorandum of Understanding (MoU) by State Government with Register General & Census Commissioner of India (RGI), Government of India (GOI), for sharing the National Population Register (NPR) Data.
  • Appointment of Consultant from among the empanelled consultants of Unique Identification Authority of India (UIDAI) by following due procedures for providing Transaction Advisory Services and Project Management Services to select the System Integrator / Implementer for the establishing State Resident Data Hub(SRDH).
  • Engaging an agency as System Integrator for establishing and maintaining the State Resident Data Hub (SRDH) for five years through open tender process.  


State Resident Data Hub (SRDH) is a unified AADHAAR enabled Data base of all citizens. This repository will be accessed made available to all departments which deliver services to citizens. It will help the Government in better targeting, effective service delivery, greater accountability and more efficient monitoring of schemes. It is also proposed to use it to put in place a biometric or `AADHAAR' based payment system to disburse welfare benefits to citizens.
The SRDH aims to enable the State to:

  • Manage complete State Level Resident Data in a digitized, centralized and secured manner.
  • Utilise AADHAAR number to uniquely identify citizens (the beneficiaries of different schemes implemented by Government)
  • Integrate AADHAAR enabled National. Population Register (NPR) data with Departmental utility Databases on a real time basis.
  • Incorporate AADHAAR authentication into various applications.

The SRDH Architecture is as follows:


  • Consultant (M/s. Accenture) prepared the RFP for SI selection.
  • After tender process, M/s. IL&FS Technologies have been selected as the System Integrator for the Project.
  • Letter of Acceptance issued to the above firm on 03.07.2015.
  • Public Distribution System has been taken up as Pilot,
  • 2 Modules of the Application has been developed, under UAT

Departments proposed to be covered under the Project:

Sl. No. Name of the Department
1 Revenue (OAP, Uzhavar Pathugappu Thittam, Saree Dhoti scheme, Land Records)
2 Rural Development Department (MNREGA)
3 AD&TW Department (Scholarships)
4 BC&MBC Department(Scholarships)
5 Agriculture Department (Agriculture Census)
6 Commercial Tax (Dealer Registration)
7 Labour Welfare Boards
8 Municipal Administration (Professional  Tax and Property Tax)
9 Health (CMCHIS, HMIS , Birth and Death)
10 Employment (Employment Registration)
11 Registration (Marriage Registration)
12 Transport (Driving Licence)
13 Social Welfare (Noon Meal Scheme)
14 Civil Supplies Department (PDS)

Aadhaar Seeding

Aadhaar seeding is a process by which Unique IDs of residents are included in the service delivery database of service providers for enabling Aadhaar based authentication during service delivery.

Aadhaar authentication

Aadhaar authentication is the process wherein Aadhaar Number, along with other attributes, including biometrics, are submitted online to the Central Identity Data Repository (CIDR) for its verification on the basis of information or data or documents available with it.
Aadhaar authentication provides several ways in which a resident can authenticate themselves using the system. At a high level, authentication can be using Demographics data and/or Biometric (FP/Iris) data, and/or OTP.
During the authentication transaction, the resident’s record is first selected using the Aadhaar Number and then the demographic/biometric inputs are matched against the stored data within CIDR which was provided by the resident during enrolment/update process.

Authentication User Agency (AUA):

An organization or an entity using Aadhaar authentication as part of its applications to provide services to residents. Examples include Government Departments, Banks, and other public or private organizations. All AUAs (Authentication User Agencies) must be registered within Aadhaar authentication server to perform secure authentication.

Tamil Nadu eGovernance Agency (TNeGA) has registered itself with UIDAI as an Authentication User Agency (AUA) for the State of Tamil Nadu.

Sub-AUA (SA):

An organization or a department or an entity having a business relationship with AUA offering specific services in a particular domain. All authentication requests emerging from an AUA contains the information on the specific SA. For example, a state government being an AUA can have the health department under them as the SA using Aadhaar authentication while providing healthcare benefits.

Authentication Service Agency (ASA)

Authentication Service Agency (ASA): An organization or an entity providing secure leased line connectivity to UIDAI’s data centres for transmitting authentication requests from various AUAs. All connections to production authentication servers must come through private and secure connection through ASAs. Those AUAs who wish to provide their connectivity can become their own ASA where as smaller AUAs who do not wish to create direct leased line connection to UIDAI’s data centres can use an ASA.

BSNL has been chosen as  the ASA for the SRDH Project.

Know Your Customer (KYC)

A fundamental building block for service delivery is the KYC (Know Your Customer) process, which establishes the identity of the resident, their address, and other basic information such as their date of birth and gender. Typically, this KYC information is combined with other information at the point of service delivery to determine eligibility – either for an LPG connection, a scholarship, a loan, a social security pension, a mobile connection, etc. The Aadhaar e-KYC service provides an instant, electronic, non-repudiable proof of identity and proof of address along with date of birth and gender. In addition, it also provides the resident’s mobile number and email address to the service provider, which helps further streamline the process of service delivery. E-KYC may be performed at an agent location using biometric authentication, as well as remotely using an OTP on a website or mobile connection. The Aadhaar e-KYC ecosystem has been designed to be scalable, just like the enrolment, updation, and the authentication ecosystems. It follows the same operating model as that of the Aadhaar authentication ecosystem.

KYC User Agency (KUA)

KUAs are the entities currently acting as the Authorization User Agents (AUAs) and who are eligible to use e-KYC service in compliance with UIDAI’s policies/procedures. Please note all KUAs are AUAs but converse is not true. The existing AUA providers should explicitly register with UIDAI to enable them for providing eKYC service to their customer base. The e-KYC service responds with resident demographic/photograph information to authorize the resident and uses the information to provide additional services.

TNeGA is in the process of becoming a KUA with UIDAI.

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