Professional format you can use to surrender your FSSAI licence:

 To,

The Designated Officer
Food Safety and Standards Authority of India (FSSAI)
[Office Address]

Subject: Request for Surrender of FSSAI Licence/Registration Certificate

Respected Sir/Madam,

I, (Name Surname), proprietor of (Company/Shop Name), hereby wish to inform you that I have decided to discontinue my food business operations due to personal reasons.

Therefore, I kindly request you to accept the surrender of my FSSAI Licence/Registration Certificate bearing Reference Number: (Licence/Certificate Number).

I request you to process my application for surrender and grant the necessary clearance at the earliest. I assure you that all operations under the said licence have been ceased, and I will comply with any further formalities required in this regard.

Kindly acknowledge the receipt of this request and do the needful.

Thanking you.

Yours sincerely,
(Name Surname)
(Proprietor)
(Company/Shop Name)
(Contact Number)
(Email Address)
(Date)