Declension table of chattra

Masculine	Singular	Dual	Plural
Nominative	chattraḥ	chattrau	chattrāḥ
Vocative	chattra	chattrau	chattrāḥ
Accusative	chattram	chattrau	chattrān
Instrumental	chattreṇa	chattrābhyām	chattraiḥ chattrebhiḥ
Dative	chattrāya	chattrābhyām	chattrebhyaḥ
Ablative	chattrāt	chattrābhyām	chattrebhyaḥ
Genitive	chattrasya	chattrayoḥ	chattrāṇām
Locative	chattre	chattrayoḥ	chattreṣu

Compound chattra -

Adverb -chattram -chattrāt