Declension table of ?sandhāyāsana

Neuter	Singular	Dual	Plural
Nominative	sandhāyāsanam	sandhāyāsane	sandhāyāsanāni
Vocative	sandhāyāsana	sandhāyāsane	sandhāyāsanāni
Accusative	sandhāyāsanam	sandhāyāsane	sandhāyāsanāni
Instrumental	sandhāyāsanena	sandhāyāsanābhyām	sandhāyāsanaiḥ
Dative	sandhāyāsanāya	sandhāyāsanābhyām	sandhāyāsanebhyaḥ
Ablative	sandhāyāsanāt	sandhāyāsanābhyām	sandhāyāsanebhyaḥ
Genitive	sandhāyāsanasya	sandhāyāsanayoḥ	sandhāyāsanānām
Locative	sandhāyāsane	sandhāyāsanayoḥ	sandhāyāsaneṣu

Compound sandhāyāsana -

Adverb -sandhāyāsanam -sandhāyāsanāt