Meaning of siddhant lana in english
Interpreting siddhant lana - सिद्धान्त लाना
As noun :
reason Ex:  His conduct is full of reason
Suggested : a basis or cause, as for some belief, action, fact, event, etc
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siddhant lana
can be used as noun.. No of characters: 14 including consonants matras.
Transliteration :
siddhaanta laanaa