a change or modification made to something

the process of altering or being altered

परिवर्तन प्रक्रिया

English Usage: The alteration took longer than expected.

Hindi Usage: परिवर्तन करने में अपेक्षा से अधिक समय लगा।

to change or modify

to change the form or character of

स्वरूप या चरित्र बदलना

English Usage: The new policy will alter the way we work.

Hindi Usage: नई नीति काम करने के तरीके को बदलेगी।