The official language of the United Arab Emirates is Arabic. Modern Standard Arabic is taught in schools, and most native Emiratis speak a dialect of Gulf Arabic that is generally similar to that spoken in surrounding countries.
Egomania is basically intolerably self-centred. In a more technical sense, it's an obsession -- an obsessive preoccupation with one's own self, usually in the form of following own impulses and have delusions of grandeur.
Megalomania is a rather loose term, and usually means have delusional fantasies of omnipotence (having unlimited or very great power, whatever 'power' might mean to that person). Interestingly, megalomania was the standard term for narcissistic personality disorder before the 1960s (so far as I recall from my psychology degree over 30 years ago).
Usually, you will find the strongest pieces of evidence in the body paragraphs.
आप सवाल निर्दिष्ट कर सकता है। And I Think The Language You Typed Is Hindi.
