Correct option is C
The correct one-word for the given group of words is
clumsy.
Clumsy: Lacking grace or skill in movement or action. (Hindi: अनाड़ी)
Example: The clumsy waiter dropped all the dishes on the floor.
Meanings of the given other options:
· (a)
Alert: Quick to notice or act (सतर्क).
· (b)
Imbalanced: Not in balance, lacking stability (असंतुलित).
· (d)
Clownish: Behaving in a silly or comical way (मसखरा).