Request letter for No Objection

This letter for my wife, she is working in a private clinic now. In order to submit her application for Ministry service she need an NOC letter from her Dr. please correct my following draft

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Date : .. .. ..

To, 
       Dr. XYZ
       Clinic 
        Place

Respected Doctor,

I came to know that Ministry Of Health starts inviting applications for nurses to work at various ministry hospitals. Though the chance for getting selected is less than 10%, I wish to participate the exam conducted by MOH, as if got selected that would be a major turning point in my career life as well as ease of financial burden we face now.

Since I am under work visa, should attach consent letter from the employer so as to accept my application. Hence hereby I request you to permit me to submit the application as well as issue the said consent letter (prefer to be in Arabic) according to your convenience. I would like to thank you in advance for your time and cooperation in this matter.
Sincerely

ABC

Thanks a lot,  but appreciate a confirmation on the following

"If I were selected it would be a major turning point in my career as well as easing the financial burden I currently face"

Is this not a past tense? 

where i wish to say  "if i got selection then it would be . . .," please correct me if i am wrong about tense.