Declension table of ?dharmatantra

Neuter	Singular	Dual	Plural
Nominative	dharmatantram	dharmatantre	dharmatantrāṇi
Vocative	dharmatantra	dharmatantre	dharmatantrāṇi
Accusative	dharmatantram	dharmatantre	dharmatantrāṇi
Instrumental	dharmatantreṇa	dharmatantrābhyām	dharmatantraiḥ
Dative	dharmatantrāya	dharmatantrābhyām	dharmatantrebhyaḥ
Ablative	dharmatantrāt	dharmatantrābhyām	dharmatantrebhyaḥ
Genitive	dharmatantrasya	dharmatantrayoḥ	dharmatantrāṇām
Locative	dharmatantre	dharmatantrayoḥ	dharmatantreṣu

Compound dharmatantra -

Adverb -dharmatantram -dharmatantrāt