I want to do post Graduate diploma in computer networking in Canada so please give me name of the institutes offering the program or related to this so that I can apply at any of the institute.

In Canada there are number of institute offering post graduate and graduate program related to computer networking. Here are name of the institutes with the name of the programs offered by the institute.

Canadian Career College of Innovative Technology and Management
Post Graduate Diploma in Enterprise Network Engineering


Canadian Institute of Management & Technology, CANADA.
Post Graduate Diploma in Network Administration

Humber College
Diploma in Computer and Network Support Technician

Seneca College - Toronto, Canada
Diploma in Computer Networking and Technical Support

You can apply at any of the institutes for any of the programs mentioned above.