I worked in the company as an application engineer for 10 months, because the owner terminate me without no reason on 28 october 2020.Today feb 8 2021,I call him around 39 times and mail him 8 times, he not yet give my experience letter,I cant show my previous experience cirtificate in any interviews, So failed only reason of experience letter.Y the owner doing like this?There is no values for employees?