Meaning of (निष्फल प्राक्कल्पना) nishphal prakkalpana in english

Other :
barren hypothesis
Exampleनिष्फल प्राक्कल्पना का हिन्दी मे अर्थ

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(निष्फल प्राक्कल्पना) nishphal prakkalpana No of characters: 19 including consonants matras. Transliteration : niShphala praakkalpanaa

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