Hi @Mahavir Saroj ,
for migration of Hyper-V VMs to Azure the Replication Provider (AzureSiteRecoveryProvider.exe) needs to be installed on the Hyper-V Server.
Source: https://learn.microsoft.com/en-us/azure/migrate/hyper-v-migration-architecture
(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Andreas Baumgarten