Declension table of ?mahānirṇayatantra

Neuter	Singular	Dual	Plural
Nominative	mahānirṇayatantram	mahānirṇayatantre	mahānirṇayatantrāṇi
Vocative	mahānirṇayatantra	mahānirṇayatantre	mahānirṇayatantrāṇi
Accusative	mahānirṇayatantram	mahānirṇayatantre	mahānirṇayatantrāṇi
Instrumental	mahānirṇayatantreṇa	mahānirṇayatantrābhyām	mahānirṇayatantraiḥ
Dative	mahānirṇayatantrāya	mahānirṇayatantrābhyām	mahānirṇayatantrebhyaḥ
Ablative	mahānirṇayatantrāt	mahānirṇayatantrābhyām	mahānirṇayatantrebhyaḥ
Genitive	mahānirṇayatantrasya	mahānirṇayatantrayoḥ	mahānirṇayatantrāṇām
Locative	mahānirṇayatantre	mahānirṇayatantrayoḥ	mahānirṇayatantreṣu

Compound mahānirṇayatantra -

Adverb -mahānirṇayatantram -mahānirṇayatantrāt