Correct option is B
The correct one-word substitute for the given group of words is (b) Incongruence.
Incongruence: lack of harmony, compatibility, or agreement between parts (असंगति).
Example: There was a noticeable incongruence between his words and actions.
Meanings of the given other options:
·
Congeniality: friendliness or sociability (मिलनसारिता)
·
Liquidity: the quality of being readily convertible to cash (तरलता)
·
Diplomacy: skill in managing negotiations (कूटनीति)