Declension table of ?upasthapāda

Neuter	Singular	Dual	Plural
Nominative	upasthapādam	upasthapāde	upasthapādāni
Vocative	upasthapāda	upasthapāde	upasthapādāni
Accusative	upasthapādam	upasthapāde	upasthapādāni
Instrumental	upasthapādena	upasthapādābhyām	upasthapādaiḥ
Dative	upasthapādāya	upasthapādābhyām	upasthapādebhyaḥ
Ablative	upasthapādāt	upasthapādābhyām	upasthapādebhyaḥ
Genitive	upasthapādasya	upasthapādayoḥ	upasthapādānām
Locative	upasthapāde	upasthapādayoḥ	upasthapādeṣu

Compound upasthapāda -

Adverb -upasthapādam -upasthapādāt