My name is qasim and i am 28 years old actually i...

treatment of black spot on both sides of your nose
forst you have to know they are not blackhead, blackhead is thick material that obstruct sabacous gland to store the sebum inside the cysts forming black head, if they are infected it become acne. 
the black sspot you noted them on you nase are normal finding, they are present in every single person, and in every part of your body because they are related to the opening of  subacous ducts. the black spot that is present is related to the assembly of these opening at small area.So this not pathology 
However, there is no treatment of this normal finding which is annoying to every single person in the world . if you insist to use something to hide them you can use Biore pore unclogging scrub.