Declension table of ?utkaṇṭhayitavya

Neuter	Singular	Dual	Plural
Nominative	utkaṇṭhayitavyam	utkaṇṭhayitavye	utkaṇṭhayitavyāni
Vocative	utkaṇṭhayitavya	utkaṇṭhayitavye	utkaṇṭhayitavyāni
Accusative	utkaṇṭhayitavyam	utkaṇṭhayitavye	utkaṇṭhayitavyāni
Instrumental	utkaṇṭhayitavyena	utkaṇṭhayitavyābhyām	utkaṇṭhayitavyaiḥ
Dative	utkaṇṭhayitavyāya	utkaṇṭhayitavyābhyām	utkaṇṭhayitavyebhyaḥ
Ablative	utkaṇṭhayitavyāt	utkaṇṭhayitavyābhyām	utkaṇṭhayitavyebhyaḥ
Genitive	utkaṇṭhayitavyasya	utkaṇṭhayitavyayoḥ	utkaṇṭhayitavyānām
Locative	utkaṇṭhayitavye	utkaṇṭhayitavyayoḥ	utkaṇṭhayitavyeṣu

Compound utkaṇṭhayitavya -

Adverb -utkaṇṭhayitavyam -utkaṇṭhayitavyāt