I have diploma in hardware and networking please tell me which is best certification in networking and from where?

Which certification is best in networking and from where?

Have a look at the Cisco certifications: IT Certification - Cisco - Cisco Systems

jagseer, you didn't have to post twice asking this question. We are all volunteers here so perhaps you will have to wait for a reply, if anyone can give you an answer to your question.

Tick

CCNA

CompTIA Certifications are Nice

MSCA

All of those have relations that can take you a long way. Each has its own specific applications, look into each, and decide what you want.