Huawei — honor 9 lite. i bought the product from flipkart before one month and now my phone is dead

Address:

688006

My new hornor 9 lite is dead. And i took to the authorized service centre and they says the phone is total complaint and replace mother board, battery etc..
In my phone little bit water in side yesterday little rain fall on it it just 2-3 minutes only. But my phone is dead. So i am totally disappointed. What can i do. I want to service my phone. Please do the help