Declension table of ?pātravarga

Masculine	Singular	Dual	Plural
Nominative	pātravargaḥ	pātravargau	pātravargāḥ
Vocative	pātravarga	pātravargau	pātravargāḥ
Accusative	pātravargam	pātravargau	pātravargān
Instrumental	pātravargeṇa	pātravargābhyām	pātravargaiḥ pātravargebhiḥ
Dative	pātravargāya	pātravargābhyām	pātravargebhyaḥ
Ablative	pātravargāt	pātravargābhyām	pātravargebhyaḥ
Genitive	pātravargasya	pātravargayoḥ	pātravargāṇām
Locative	pātravarge	pātravargayoḥ	pātravargeṣu

Compound pātravarga -

Adverb -pātravargam -pātravargāt