DeitY has taken several initiatives and developed State Portal, e-Forms, NSDG/SSDG, mobile gateway and at the same time other government agencies have also developed other services such as Aadhar, Payment Gateway, etc. So all of them need to be harmonized and integrated while designing architecture of different e-Governance applications. An integrated architecture framework for e-district application is made, it can be used in other applications as well.
Component Based Reference Architecture
Multi Tenant Cloud Based Architecture