Many have replied to the post wishing Darsh a happy birthday and praising his actions.
"Bless his heart, what a selfless act," one person said.
Another wrote, "the world exists because of the kind hearts like you."
Another said, "beautiful little soul. We definitely need more people like him in this world, so innocent in this world too. I hope he still gets his laptop he definitely deserves it for his selflessness."
Photos accompanying the post show the 9-year-old visiting the Al-Mustafa Jamia Masjid, in Otahuhu, South Auckland, and laying his flowers along the fence.
Samuel Sen told the Herald today that he was still shocked at his son's kind gesture.
"I have been reading some of the posts and the comments and oh my gosh, I have never seen so much," he said.
Darsh said he was "very happy" with the online response.
"But I don't know how to thank them all for their wishes," he said.