Flipkart — Bought mobile thru flipkarT Realme C35

The product delivered two day back(8 may 23)..the mobile battery back does not last more than 1 hr ...If i call flipkart they say
contact the order to process your request, we request you to provide us with a copy of the job sheet or service note from the authorized service center. Please reply to this email with the requested documents attached, and we will do our best to resolve this issue.
if call realme team they CONTACT FLIPAKRT ...
Shamelss no resolution nether interest nor intend
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