Declension table of ?sādhāna

Masculine	Singular	Dual	Plural
Nominative	sādhānaḥ	sādhānau	sādhānāḥ
Vocative	sādhāna	sādhānau	sādhānāḥ
Accusative	sādhānam	sādhānau	sādhānān
Instrumental	sādhānena	sādhānābhyām	sādhānaiḥ sādhānebhiḥ
Dative	sādhānāya	sādhānābhyām	sādhānebhyaḥ
Ablative	sādhānāt	sādhānābhyām	sādhānebhyaḥ
Genitive	sādhānasya	sādhānayoḥ	sādhānānām
Locative	sādhāne	sādhānayoḥ	sādhāneṣu

Compound sādhāna -

Adverb -sādhānam -sādhānāt