looking for a sytem like sify

[tabish3]

hi i own a isp company in my city i cover almost all my city areas,to sistribute high speed broadband connection,now i am looking to make a system like sify net,in which when user starts their net connection it ask them for an username and password as you may see in sify ,so i want to know waht are the reqiurment for doing this and how to do this

[tabish3]

no one here to help