Declension table of ?sādhanīyatva

Neuter	Singular	Dual	Plural
Nominative	sādhanīyatvam	sādhanīyatve	sādhanīyatvāni
Vocative	sādhanīyatva	sādhanīyatve	sādhanīyatvāni
Accusative	sādhanīyatvam	sādhanīyatve	sādhanīyatvāni
Instrumental	sādhanīyatvena	sādhanīyatvābhyām	sādhanīyatvaiḥ
Dative	sādhanīyatvāya	sādhanīyatvābhyām	sādhanīyatvebhyaḥ
Ablative	sādhanīyatvāt	sādhanīyatvābhyām	sādhanīyatvebhyaḥ
Genitive	sādhanīyatvasya	sādhanīyatvayoḥ	sādhanīyatvānām
Locative	sādhanīyatve	sādhanīyatvayoḥ	sādhanīyatveṣu

Compound sādhanīyatva -

Adverb -sādhanīyatvam -sādhanīyatvāt