The devotees bless Vishvambhara after His coming from Gaya.
One of His answers:
tomarA ye AmAre SikhAo ViSNu-dharma
teJi bujhi, AmAra uttama Ache karma
"You always teach Me My duties to Lord ViSNu.
This proves that I must have previously performed pious activities"
(Sri Caitanya BhAgavata Madhya 2.42)