Declension table of ?samayitavya

Masculine	Singular	Dual	Plural
Nominative	samayitavyaḥ	samayitavyau	samayitavyāḥ
Vocative	samayitavya	samayitavyau	samayitavyāḥ
Accusative	samayitavyam	samayitavyau	samayitavyān
Instrumental	samayitavyena	samayitavyābhyām	samayitavyaiḥ samayitavyebhiḥ
Dative	samayitavyāya	samayitavyābhyām	samayitavyebhyaḥ
Ablative	samayitavyāt	samayitavyābhyām	samayitavyebhyaḥ
Genitive	samayitavyasya	samayitavyayoḥ	samayitavyānām
Locative	samayitavye	samayitavyayoḥ	samayitavyeṣu

Compound samayitavya -

Adverb -samayitavyam -samayitavyāt