Declension table of hevajratantra

Neuter	Singular	Dual	Plural
Nominative	hevajratantram	hevajratantre	hevajratantrāṇi
Vocative	hevajratantra	hevajratantre	hevajratantrāṇi
Accusative	hevajratantram	hevajratantre	hevajratantrāṇi
Instrumental	hevajratantreṇa	hevajratantrābhyām	hevajratantraiḥ
Dative	hevajratantrāya	hevajratantrābhyām	hevajratantrebhyaḥ
Ablative	hevajratantrāt	hevajratantrābhyām	hevajratantrebhyaḥ
Genitive	hevajratantrasya	hevajratantrayoḥ	hevajratantrāṇām
Locative	hevajratantre	hevajratantrayoḥ	hevajratantreṣu

Compound hevajratantra -

Adverb -hevajratantram -hevajratantrāt