BRC Duckback — quality of raincoat

Sir,
Greetings of the day,

I being armed forced person, had purchased 01 in no. Raincoat through csd canteen made by m/s duckback waterproof works pvt. Ltd on 22 jun 19.
It is pertinent to mention that as i trusted the brand name i took the raincoat. However, warranty card was not filled as i had trust on your brand.
Sir,. I have been using the product but i observed to be it is defective and didnot fulfil my requirement.
I am mailing this to bring this incident to your knowledge

Thank you,
G srinivasu,
Mobile number: [protected]