Declension table of ?puraskartavya

Neuter	Singular	Dual	Plural
Nominative	puraskartavyam	puraskartavye	puraskartavyāni
Vocative	puraskartavya	puraskartavye	puraskartavyāni
Accusative	puraskartavyam	puraskartavye	puraskartavyāni
Instrumental	puraskartavyena	puraskartavyābhyām	puraskartavyaiḥ
Dative	puraskartavyāya	puraskartavyābhyām	puraskartavyebhyaḥ
Ablative	puraskartavyāt	puraskartavyābhyām	puraskartavyebhyaḥ
Genitive	puraskartavyasya	puraskartavyayoḥ	puraskartavyānām
Locative	puraskartavye	puraskartavyayoḥ	puraskartavyeṣu

Compound puraskartavya -

Adverb -puraskartavyam -puraskartavyāt