There is a dearth of milk in Delhi nowadays.

Answer: Option C

Dearth : a scarcity or lack of something.
Extravagance : lack of restraint in spending money or using resources.
Scarcity : the state of being scarce or in short supply; shortage.
Abundance : a very large quantity of something.
Sufficiency : the condition or quality of being adequate or sufficient.

Antonym of Dearth is Abundance