small white pores present around corona of glans, painful and itchy. what should I do?

21 year male and have not had sex yet.

Could be pearly penile papules.  I'd suggest you see your GP or go to a genitourinary medicine (GUM) clinic.  You can google "GUM clinic near me" for details.

Hello :-)

Without seeing a photo it's a little hard to tell exactly what it is, but based on your description it seem quite usual.

Thank you. I dont know how to post photo..plz help

This should help:

https://patient.uservoice.com/knowledgebase/articles/402861-how-do-i-add-an-image-to-my-post