Title On submersion and immersion submanifolds of a quaternionic projective space Type of Research Article Keywords quaternionic projective space, submersion and immersion sub- manifold Abstract We study submanifolds of a quaternionic projective space, it is of great interest how to pull down some formulae deduced for submanifoldsof a sphere to those for submanifolds of a quaternionic projective space. Researchers Esmaiel Abedi (First Researcher)، Zahra Nazari (Second Researcher)