Declension table of ?vīṇātantra

Neuter	Singular	Dual	Plural
Nominative	vīṇātantram	vīṇātantre	vīṇātantrāṇi
Vocative	vīṇātantra	vīṇātantre	vīṇātantrāṇi
Accusative	vīṇātantram	vīṇātantre	vīṇātantrāṇi
Instrumental	vīṇātantreṇa	vīṇātantrābhyām	vīṇātantraiḥ
Dative	vīṇātantrāya	vīṇātantrābhyām	vīṇātantrebhyaḥ
Ablative	vīṇātantrāt	vīṇātantrābhyām	vīṇātantrebhyaḥ
Genitive	vīṇātantrasya	vīṇātantrayoḥ	vīṇātantrāṇām
Locative	vīṇātantre	vīṇātantrayoḥ	vīṇātantreṣu

Compound vīṇātantra -

Adverb -vīṇātantram -vīṇātantrāt