HDB Financial Services — Not getting relieving letter

Dear Sir

My name is Satyendra Singh. My employee ID is: S65164. Designation as Sales Executive in Auto loan department. I have submitted my resignation letter to my manager Arvind Kumar. I have worked there from 29/03/2018 to 04/05/2018. I have left job with the permission of my manager Because i got opportunity to study Software Testing Course in Bangalore.

Now I am in very big trouble because my employer is asking for reliving letter.

Could you please provide me experience/Reliving letter as soon as possible. My job is at risk, please save my job and provide me letter.

Mobile Number: [protected]
Email: [protected]@gmail.com
Employee id: S65164
Location: Kolkata

Please Help me as soon as possible your help can save my job.