Declension table of ?rāmatantra

Neuter	Singular	Dual	Plural
Nominative	rāmatantram	rāmatantre	rāmatantrāṇi
Vocative	rāmatantra	rāmatantre	rāmatantrāṇi
Accusative	rāmatantram	rāmatantre	rāmatantrāṇi
Instrumental	rāmatantreṇa	rāmatantrābhyām	rāmatantraiḥ
Dative	rāmatantrāya	rāmatantrābhyām	rāmatantrebhyaḥ
Ablative	rāmatantrāt	rāmatantrābhyām	rāmatantrebhyaḥ
Genitive	rāmatantrasya	rāmatantrayoḥ	rāmatantrāṇām
Locative	rāmatantre	rāmatantrayoḥ	rāmatantreṣu

Compound rāmatantra -

Adverb -rāmatantram -rāmatantrāt