The two sub components of Public Internet Access Programme are Common Services Centres (CSCs) and Post Offices as multi-service centres.
Common Services Centres (CSCs)
CSCs would be strengthened and its number would be increased to 250,000 i.e. one CSC in each Gram Panchayat. CSCs would be made viable and multi-functional end-points for delivery of government and business services. DeitY would be the nodal department to implement the scheme.
The more details can be seen at:
- CSC 2.0: A Way Forward” (under Digital India Programme) 
- CSC Portal: http://csc.gov.in/ 
- DeitY's weblink: http://deity.gov.in/content/common-services-centers 
- e-Book: http://deity.gov.in/DeitY_e-book/csc/index.html 
Post Offices as multi-service centres
A total of 150,000 Post Offices are proposed to be converted into multi service centres. Department of Posts would be the nodal department to implement this scheme.