Declension table of pustaka

Masculine	Singular	Dual	Plural
Nominative	pustakaḥ	pustakau	pustakāḥ
Vocative	pustaka	pustakau	pustakāḥ
Accusative	pustakam	pustakau	pustakān
Instrumental	pustakena	pustakābhyām	pustakaiḥ pustakebhiḥ
Dative	pustakāya	pustakābhyām	pustakebhyaḥ
Ablative	pustakāt	pustakābhyām	pustakebhyaḥ
Genitive	pustakasya	pustakayoḥ	pustakānām
Locative	pustake	pustakayoḥ	pustakeṣu

Compound pustaka -

Adverb -pustakam -pustakāt