Assalamualikkum
Sir... Does islam allows to celebrate prophet muhammed's birhday.

Hello Muhsin Muneer,

Please open the link below and read, Thanks.

Mawlid an-Nabi: Celebrating Prophet Muhammad's (s) Birthday (http://www.islamicsupremecouncil.org/understanding-islam/spirituality/1--mawlid-an-nabi-celebration-of-prophet-muhammads-s-birthday.html)

https://islamqa.info/en/249