Declension table of ?paṃśayitavya

Masculine	Singular	Dual	Plural
Nominative	paṃśayitavyaḥ	paṃśayitavyau	paṃśayitavyāḥ
Vocative	paṃśayitavya	paṃśayitavyau	paṃśayitavyāḥ
Accusative	paṃśayitavyam	paṃśayitavyau	paṃśayitavyān
Instrumental	paṃśayitavyena	paṃśayitavyābhyām	paṃśayitavyaiḥ paṃśayitavyebhiḥ
Dative	paṃśayitavyāya	paṃśayitavyābhyām	paṃśayitavyebhyaḥ
Ablative	paṃśayitavyāt	paṃśayitavyābhyām	paṃśayitavyebhyaḥ
Genitive	paṃśayitavyasya	paṃśayitavyayoḥ	paṃśayitavyānām
Locative	paṃśayitavye	paṃśayitavyayoḥ	paṃśayitavyeṣu

Compound paṃśayitavya -

Adverb -paṃśayitavyam -paṃśayitavyāt