To Whom It May Concern
This is to certify that <EMPLOYEE NAME> was employed with us as a Designation in the Department, from <Date> to <Date>.
He is honest, intelligent and efficient. His continuous attendance and performance in the mines is praise worthy. His character and conduct are quite satisfactory.
During the period of his assignment, we found him sincere, hardworking and a keen learner.
We wish him all the best in his future endeavors.
For <Company Name>
Authorised Signatory