Declension table of ?kalpatantra

Neuter	Singular	Dual	Plural
Nominative	kalpatantram	kalpatantre	kalpatantrāṇi
Vocative	kalpatantra	kalpatantre	kalpatantrāṇi
Accusative	kalpatantram	kalpatantre	kalpatantrāṇi
Instrumental	kalpatantreṇa	kalpatantrābhyām	kalpatantraiḥ
Dative	kalpatantrāya	kalpatantrābhyām	kalpatantrebhyaḥ
Ablative	kalpatantrāt	kalpatantrābhyām	kalpatantrebhyaḥ
Genitive	kalpatantrasya	kalpatantrayoḥ	kalpatantrāṇām
Locative	kalpatantre	kalpatantrayoḥ	kalpatantreṣu

Compound kalpatantra -

Adverb -kalpatantram -kalpatantrāt