Akash is suchan understanding boy.Here the underlined part is a/an -

• Akash is such an understanding boy. Here the underlined part is a - Noun phrase
- কারণ Article + Adjective + Noun = Noun Phrase.
- প্রশ্ন প্রদত্ত বাক্যে an(article) +understanding (adjective) +boy (noun), তাই এটি noun phrase হবে।
• A noun phrase consists of a pronoun or noun and any associated modifiers, including adjectives, adjective phrases, adjective clauses and other nouns in the possessive case.