Declension table of chāttra

Neuter	Singular	Dual	Plural
Nominative	chāttram	chāttre	chāttrāṇi
Vocative	chāttra	chāttre	chāttrāṇi
Accusative	chāttram	chāttre	chāttrāṇi
Instrumental	chāttreṇa	chāttrābhyām	chāttraiḥ
Dative	chāttrāya	chāttrābhyām	chāttrebhyaḥ
Ablative	chāttrāt	chāttrābhyām	chāttrebhyaḥ
Genitive	chāttrasya	chāttrayoḥ	chāttrāṇām
Locative	chāttre	chāttrayoḥ	chāttreṣu

Compound chāttra -

Adverb -chāttram -chāttrāt