Declension table of ?chyotavya

Masculine	Singular	Dual	Plural
Nominative	chyotavyaḥ	chyotavyau	chyotavyāḥ
Vocative	chyotavya	chyotavyau	chyotavyāḥ
Accusative	chyotavyam	chyotavyau	chyotavyān
Instrumental	chyotavyena	chyotavyābhyām	chyotavyaiḥ chyotavyebhiḥ
Dative	chyotavyāya	chyotavyābhyām	chyotavyebhyaḥ
Ablative	chyotavyāt	chyotavyābhyām	chyotavyebhyaḥ
Genitive	chyotavyasya	chyotavyayoḥ	chyotavyānām
Locative	chyotavye	chyotavyayoḥ	chyotavyeṣu

Compound chyotavya -

Adverb -chyotavyam -chyotavyāt