Telling(adjective)
Having a strong or important effect.
Hindi meaning:प्रभावशाली
Synonyms: Effective, Revealing, Significant, Weighty
Antonyms: Ineffective, Unimportant, Unconvincing, Insignificant
Example: These professional hazards have a telling effect on their health conditions.
Trick to remember: Olive oil hair par telling effect deta hai 
