Meaning of (कठोर करना) kathor karna in english
As verb :
harden Ex:  Bread shaped round or square cake which has been given two firings to harden which provision is made for voyages
Suggested : to make hard or harder
Word of the day
(कठोर करना) kathor karna
can be used as verb.. No of characters: 9 including consonants matras.
Transliteration :
kaThora karanaa