Declension table of ?upasaṃhartavya

Masculine	Singular	Dual	Plural
Nominative	upasaṃhartavyaḥ	upasaṃhartavyau	upasaṃhartavyāḥ
Vocative	upasaṃhartavya	upasaṃhartavyau	upasaṃhartavyāḥ
Accusative	upasaṃhartavyam	upasaṃhartavyau	upasaṃhartavyān
Instrumental	upasaṃhartavyena	upasaṃhartavyābhyām	upasaṃhartavyaiḥ upasaṃhartavyebhiḥ
Dative	upasaṃhartavyāya	upasaṃhartavyābhyām	upasaṃhartavyebhyaḥ
Ablative	upasaṃhartavyāt	upasaṃhartavyābhyām	upasaṃhartavyebhyaḥ
Genitive	upasaṃhartavyasya	upasaṃhartavyayoḥ	upasaṃhartavyānām
Locative	upasaṃhartavye	upasaṃhartavyayoḥ	upasaṃhartavyeṣu

Compound upasaṃhartavya -

Adverb -upasaṃhartavyam -upasaṃhartavyāt