Meaning of kathin pariksha lena in english
Interpreting kathin pariksha lena - कठिन परीक्षा लेना
As verb :
try out Ex:  Campanis invited him to a try out at Ebbets Field.
Suggested : to attempt to do or accomplish
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kathin pariksha lena
can be used as verb.. No of characters: 17 including consonants matras.
Transliteration :
kaThina pariikShaa lenaa