Declension table of ?kaṇṭhayitavya

Masculine	Singular	Dual	Plural
Nominative	kaṇṭhayitavyaḥ	kaṇṭhayitavyau	kaṇṭhayitavyāḥ
Vocative	kaṇṭhayitavya	kaṇṭhayitavyau	kaṇṭhayitavyāḥ
Accusative	kaṇṭhayitavyam	kaṇṭhayitavyau	kaṇṭhayitavyān
Instrumental	kaṇṭhayitavyena	kaṇṭhayitavyābhyām	kaṇṭhayitavyaiḥ kaṇṭhayitavyebhiḥ
Dative	kaṇṭhayitavyāya	kaṇṭhayitavyābhyām	kaṇṭhayitavyebhyaḥ
Ablative	kaṇṭhayitavyāt	kaṇṭhayitavyābhyām	kaṇṭhayitavyebhyaḥ
Genitive	kaṇṭhayitavyasya	kaṇṭhayitavyayoḥ	kaṇṭhayitavyānām
Locative	kaṇṭhayitavye	kaṇṭhayitavyayoḥ	kaṇṭhayitavyeṣu

Compound kaṇṭhayitavya -

Adverb -kaṇṭhayitavyam -kaṇṭhayitavyāt