The minister was accused of indulging in nepotism.

Answer: Option A

Nepotism : the practice among those with power or influence of favouring relatives or friends, especially by giving them jobs.
Impartiality : equal treatment of all rivals or disputants; fairness.
Hatred : intense dislike; hate.
Condemnation : the expression of very strong disapproval; censure.
Indifference : lack of interest, concern, or sympathy.

Antonym of Nepotism is Impartiality