the act of harming someone in retaliation for something they have done

प्रतिशोध

English Usage: His revenge on his enemies was swift and harsh.

Hindi Usage: उसका दुश्मनों पर प्रतिशोध तेज और कठोर था।

to take revenge for a past wrongdoing

प्रतिशोध लेना

English Usage: She vowed to revenge on those who wronged her.

Hindi Usage: उसने उन पर प्रतिशोध लेने की कसम खाई जिन्होंने उसे गलत किया।

used to indicate the target of the revenge

पर

English Usage: He sought revenge on his former partner.

Hindi Usage: उसने अपने पूर्व साथी पर प्रतिशोध लेने की कोशिश की।