Declension table of ?mahattattva

Neuter	Singular	Dual	Plural
Nominative	mahattattvam	mahattattve	mahattattvāni
Vocative	mahattattva	mahattattve	mahattattvāni
Accusative	mahattattvam	mahattattve	mahattattvāni
Instrumental	mahattattvena	mahattattvābhyām	mahattattvaiḥ
Dative	mahattattvāya	mahattattvābhyām	mahattattvebhyaḥ
Ablative	mahattattvāt	mahattattvābhyām	mahattattvebhyaḥ
Genitive	mahattattvasya	mahattattvayoḥ	mahattattvānām
Locative	mahattattve	mahattattvayoḥ	mahattattveṣu

Compound mahattattva -

Adverb -mahattattvam -mahattattvāt