How To Write Experience Certificate?

Experience certificate should be written in official language and style of the organization. For having some sample experience letters you can check the following web site;

www.rfp-templates.com

I worked as a field executive in bajaj allianz insurance company from 21st november2004 to 15th december 2006. I want experience letter for this

EXPERIENCE CERTIFICATE
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To Whom It May Concern:
It is my pleasure to write on behalf of Mr. (Fill in the name here) who has worked with (name of company here) in capacity of (fill in position here) for (fill in duration here).
During his time with us, Mr. (fill in name again) has been a dedicated and valuable employee and he has worked hard at any and all tasks I have given him. He is quite confident and is a consummate professional. He has always exhibited sound judgment while in my employ and he is a trusted worker. He is quick to take initiative and I am very satisfied with his performance.  He has been quite helpful in the advancement of our organization.
Furthermore, please allow me to expand on his conduct during his stay with us. He has a wonderful temperament and works very efficiently both independently or whilst working as part of a team. His co-workers are all pleased with him and they feel comfortable in teaming and coordinating with him to work toward common goals and objectives.  
While he will be missed, I wish him all the best of luck in his future endeavors.