Hi @Asritha Sai ,
if it's an Azure free account it will be disabled after 30 days.
After these 30 days you have to upgrade the Azure free account to a pay-as-you-go Azure subscription. Otherwise the Azure free account will be disabled.
Source: Your credit is expired
Here you can find more details: Reactivate a disabled Azure subscription
(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Andreas Baumgarten