Flipkart — Laptop battery defected one received

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Flipkart

Dear Sir/ Dear Madam,
I have received the defected laptop battery from Flipkart
The battery is not working and is the poorest quality. It worked only for 20 days. Now it is not working. It is not even backing up for a second.
This is a serious issue and I need my money to get refunded please.
Flipkart should sell the good products and maintain its standard.

I have all the proofs and want to get and the money . My hard earned money has to be respected.

My mobile : [protected]