Efficacy(noun)
The ability of something to produce the results that are wanted.
Hindi meaning:प्रभाव
Synonyms: Effectiveness, Potency, Power, Efficiency
Antonyms: Ineffectiveness, Inefficiency, Inefficacy, Inadequacy
Example: I will try to evaluate the efficacy and safety of the treatment.
Trick to remember: Efficiency hi efficacy hai.









