Declension table of ?siddhasādhana

Masculine	Singular	Dual	Plural
Nominative	siddhasādhanaḥ	siddhasādhanau	siddhasādhanāḥ
Vocative	siddhasādhana	siddhasādhanau	siddhasādhanāḥ
Accusative	siddhasādhanam	siddhasādhanau	siddhasādhanān
Instrumental	siddhasādhanena	siddhasādhanābhyām	siddhasādhanaiḥ siddhasādhanebhiḥ
Dative	siddhasādhanāya	siddhasādhanābhyām	siddhasādhanebhyaḥ
Ablative	siddhasādhanāt	siddhasādhanābhyām	siddhasādhanebhyaḥ
Genitive	siddhasādhanasya	siddhasādhanayoḥ	siddhasādhanānām
Locative	siddhasādhane	siddhasādhanayoḥ	siddhasādhaneṣu

Compound siddhasādhana -

Adverb -siddhasādhanam -siddhasādhanāt