Correct option is D
The correct antonym of the given word is (d)
Manual.
Mechanical: Refers to something done automatically or without thought, often involving machines. (यांत्रिक, बिना सोच-विचार के या मशीनों से संबंधित)
Example: His work is so mechanical that he feels no joy in it.
Manual: Refers to something done by hand or requiring human effort and skill. (हाथ से किया गया, मानव श्रम से संबंधित)
Example: Writing with a manual typewriter can be a tiring process.
Synonyms: automated, machine-driven, robotic, programmed
Antonyms: manual, hand-made, human-driven, personal
Meanings of other options:
· (a)
Surrogate: Substitute or replacement (स्थानापन्न)
· (b)
Automatised: Converted to a system operated by machines or computers (स्वचालित)
· (c)
Yielding: Giving way under pressure or influence (झुकने वाला, दबाव में टूटने वाला)