Declension table of pustaka

Neuter	Singular	Dual	Plural
Nominative	pustakam	pustake	pustakāni
Vocative	pustaka	pustake	pustakāni
Accusative	pustakam	pustake	pustakāni
Instrumental	pustakena	pustakābhyām	pustakaiḥ
Dative	pustakāya	pustakābhyām	pustakebhyaḥ
Ablative	pustakāt	pustakābhyām	pustakebhyaḥ
Genitive	pustakasya	pustakayoḥ	pustakānām
Locative	pustake	pustakayoḥ	pustakeṣu

Compound pustaka -

Adverb -pustakam -pustakāt