Declension table of ?upasaṃhartavya

Neuter	Singular	Dual	Plural
Nominative	upasaṃhartavyam	upasaṃhartavye	upasaṃhartavyāni
Vocative	upasaṃhartavya	upasaṃhartavye	upasaṃhartavyāni
Accusative	upasaṃhartavyam	upasaṃhartavye	upasaṃhartavyāni
Instrumental	upasaṃhartavyena	upasaṃhartavyābhyām	upasaṃhartavyaiḥ
Dative	upasaṃhartavyāya	upasaṃhartavyābhyām	upasaṃhartavyebhyaḥ
Ablative	upasaṃhartavyāt	upasaṃhartavyābhyām	upasaṃhartavyebhyaḥ
Genitive	upasaṃhartavyasya	upasaṃhartavyayoḥ	upasaṃhartavyānām
Locative	upasaṃhartavye	upasaṃhartavyayoḥ	upasaṃhartavyeṣu

Compound upasaṃhartavya -

Adverb -upasaṃhartavyam -upasaṃhartavyāt