Declension table of ?sthirīkartavya

Neuter	Singular	Dual	Plural
Nominative	sthirīkartavyam	sthirīkartavye	sthirīkartavyāni
Vocative	sthirīkartavya	sthirīkartavye	sthirīkartavyāni
Accusative	sthirīkartavyam	sthirīkartavye	sthirīkartavyāni
Instrumental	sthirīkartavyena	sthirīkartavyābhyām	sthirīkartavyaiḥ
Dative	sthirīkartavyāya	sthirīkartavyābhyām	sthirīkartavyebhyaḥ
Ablative	sthirīkartavyāt	sthirīkartavyābhyām	sthirīkartavyebhyaḥ
Genitive	sthirīkartavyasya	sthirīkartavyayoḥ	sthirīkartavyānām
Locative	sthirīkartavye	sthirīkartavyayoḥ	sthirīkartavyeṣu

Compound sthirīkartavya -

Adverb -sthirīkartavyam -sthirīkartavyāt