Declension table of ?ruṃśayitavya

Neuter	Singular	Dual	Plural
Nominative	ruṃśayitavyam	ruṃśayitavye	ruṃśayitavyāni
Vocative	ruṃśayitavya	ruṃśayitavye	ruṃśayitavyāni
Accusative	ruṃśayitavyam	ruṃśayitavye	ruṃśayitavyāni
Instrumental	ruṃśayitavyena	ruṃśayitavyābhyām	ruṃśayitavyaiḥ
Dative	ruṃśayitavyāya	ruṃśayitavyābhyām	ruṃśayitavyebhyaḥ
Ablative	ruṃśayitavyāt	ruṃśayitavyābhyām	ruṃśayitavyebhyaḥ
Genitive	ruṃśayitavyasya	ruṃśayitavyayoḥ	ruṃśayitavyānām
Locative	ruṃśayitavye	ruṃśayitavyayoḥ	ruṃśayitavyeṣu

Compound ruṃśayitavya -

Adverb -ruṃśayitavyam -ruṃśayitavyāt