Mother Organisation
https://www.pdn.ac.lk/alumni
Colombo Chapter
https://www.aaupcc.org
Victoria Chapter
http://www.peradeniya.com.au
New South Wales Chapter
https://www.puaan.org
Canada Chapter
https://www.peradeniyalumnigta.com
Ottawa chapter
https://operaalumni.com
Canberra Chapter
https://www.peraalumnicanberra.org