State Resident Data Hub (SRDH)

           During Governer’s Address 2013 and Budget Speech, 2013-14, it has been announced that the State will create the State Resident Data Hub (SRDH) as a unified data repository with biometry enabled citizens data derived from the National Population Registry to service all departments. Now it is renamed as “Makkal” 

           Orders have been issued in G.O.Ms.No.21, IT department, dated 29.11.2013 giving administrative approval for the project. 


           Makkal Application 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 Makkal Application 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 departments. 

Departments proposed to be covered under the project: 


Departments & Schemes 


Department of Civil Supplies – Public Distribution System 


Department of Social Welfare/Revenue – Old Age Pensions 


Department of Rural Development – MGNREGS, IAY/CM’s Green House Scheme 


Department of Health & Family Welfare – Comprehensive Health Insurance Scheme 


Department of Labour & Employment – Schemes for Unorganized Labour Welfare Boards 


Department of Adi-Dravidar and Tribal Welfare – Scholarship Schemes, Department of BC, MBC and Minorities Welfare – Scholarship Schemes 


Department of Social Welfare – Welfare Schemes 


Department of Revenue (Land Administration), Department of Registration 


Department of School Education - Common Database/Smart card / laptop schemes 



Department of Commercial Taxes –Dealer Authentication using Aadhaar 



Department of Revenue Administration Disaster Management & Mitigation – Priceless Saree-Dhoti 



Department of Social Welfare & Nutritious Meal Programme – Integrated Child Development Scheme 



Department of Treasuries & Accounts – Pensioners database & Employees database 


 Aadhaar Linking 

           Aadhaar linking 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 residents 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. Example 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 e-Governance 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) 

An organization or an entity providing secure leased line connectivity to UIDAI’s data centres for transmitting 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 Makkal Application. 

Know Your Customer (KYC) 

           A fundamental building 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 UIDAIs 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 e-KYC 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.