Declension table of ?ātmatantra

Neuter	Singular	Dual	Plural
Nominative	ātmatantram	ātmatantre	ātmatantrāṇi
Vocative	ātmatantra	ātmatantre	ātmatantrāṇi
Accusative	ātmatantram	ātmatantre	ātmatantrāṇi
Instrumental	ātmatantreṇa	ātmatantrābhyām	ātmatantraiḥ
Dative	ātmatantrāya	ātmatantrābhyām	ātmatantrebhyaḥ
Ablative	ātmatantrāt	ātmatantrābhyām	ātmatantrebhyaḥ
Genitive	ātmatantrasya	ātmatantrayoḥ	ātmatantrāṇām
Locative	ātmatantre	ātmatantrayoḥ	ātmatantreṣu

Compound ātmatantra -

Adverb -ātmatantram -ātmatantrāt