Royal Enfield — From one day battery problem

Address:

Hyderabad

Purchased my bike on 31 December 2021
And in 1 week only battery goes off
But they give 1 year warranty on battery
I take the bike to the service centre and afterwards I wait till four hrs for battery charger but after I reach home.
In one hour I came back to check the battery what I that battery become low not starting bike .
Please exchange big or give us our money.
Otherwise we have only one option
replace the battery and give to us with any compliments