The principle that states that after a certain point, the level of benefits gained is less than the amount of money or energy invested.

घटते प्रतिफल का नियम

English Usage: Investing more resources into the project is not beneficial due to the law of diminishing returns.

Hindi Usage: इस परियोजना में अधिक संसाधन निवेश करना घटते प्रतिफल के नियम के कारण लाभकारी नहीं है।