Select the most appropriate 'one word' for the expression given below.
Exclusive command or possession

Correct option is D

The correct one-word for the given group of words is (d) Monopoly.
Monopoly means exclusive possession or control over the supply or trade in a service/product.
Example: The company enjoyed a monopoly on electric cars for many years.
Meanings of the other options:
· (a) Parvenu: A person of obscure origin who has gained wealth/influence (नव धनाढ्य)
· (b) Hypergamy: Marriage into a higher social class (उच्च वर्ग में विवाह)
· (c) Sanctum: A sacred or private place (पवित्र या निजी स्थान)