Following are few useful links :

United Kingdom

www.ukvisas.gov.uk      –   UK Government site for Entry visas.
www.direct.gov.uk     – UK Government Directory.
www.ind.homeoffice.gov.uk    – Immigration & Nationality Directorate.
www.fco.gov.uk      –  Directory of British Embassies world wide.


Canada

www.cic.gc.ca    – Citizenship Immigration Canada Government website.
www.canada.gc.ca    – Canadian official government website.
www.investincanada.gc.ca   – Official government Investment & business website.

Australia

www.immi.gov.au    – Department of Immigration & multi-cultural and indigenous affair.
www.nla.gov.au   – Australian Government Entry point.
www.themara.com.au   – Migration Agents Registration Authority.


New Zealand

www.immigration.gov.nz   – New Zealand Immigration Services.
www.newzealand.com   – New Zealand official government website.
www.nzqa.govt.nz   – New Zealand qualification authority.