Post offices can be information hubs, where one can submit all their requests, application forms, etc., and also receive the response from the same location for all their needs.
Post office can be 24 pharmacies, medical stores, and can host teleconference facility with a doctor in city. This can enable medical facility to numerous villages of india that lack hospital but has a post office. please click below   links to see detail

1)http://www.salon.com/2014/02/26/the_post_office_can_save_america_10_ways_postal_banking_can_fix_some_of_societys_worst_problems/

-governance:

2)http://postandparcel.info/54402/news/it/polish-post-seeks-central-role-in-e-government-services/

3)http://www.uspsoig.gov/story/risk-analysis-research-center-papers/e-government-and-postal-service-conduit-help-government

4)http://www.uspsoig.gov/blog/postal-service-your-connection-e-government

Any new startup or small company will require a supply chain system to deliver products or maintain contact with other branches or for day-to-day logistics. This back-end logistics can be cost effectively out-sourced to postal services.

1)http://www.hongkongpost.hk/eng/sme/about/index.htm
2)http://www.hongkongpost.hk/eng/sme/complex/local/start/index.htm
E-commerce and trade:

3)http://postandparcel.info/61046/in-depth/can-e-commerce-save-the-post-office/
4)http://www.alizila.com/alibaba-invest-singapore%E2%80%99s-post-office-cross-border-push
5)http://www.wto.org/english/tratop_e/devel_e/wkshop