Declension table of ?taṅktavya

Masculine	Singular	Dual	Plural
Nominative	taṅktavyaḥ	taṅktavyau	taṅktavyāḥ
Vocative	taṅktavya	taṅktavyau	taṅktavyāḥ
Accusative	taṅktavyam	taṅktavyau	taṅktavyān
Instrumental	taṅktavyena	taṅktavyābhyām	taṅktavyaiḥ taṅktavyebhiḥ
Dative	taṅktavyāya	taṅktavyābhyām	taṅktavyebhyaḥ
Ablative	taṅktavyāt	taṅktavyābhyām	taṅktavyebhyaḥ
Genitive	taṅktavyasya	taṅktavyayoḥ	taṅktavyānām
Locative	taṅktavye	taṅktavyayoḥ	taṅktavyeṣu

Compound taṅktavya -

Adverb -taṅktavyam -taṅktavyāt