Meaning of (कथा का सूत्र) katha ka sutr in english
As noun :
clue Ex:  , You do not suspect that this is a case like this, you do not have one, you may not have a clue
Suggested : anything that serves to guide or direct in the solution of a problem, mystery, etc
Word of the day
(कथा का सूत्र) katha ka sutr
can be used as noun.. No of characters: 12 including consonants matras.
Transliteration :
kathaa kaa suutra