Declension table of ?tantraśāstra

Neuter	Singular	Dual	Plural
Nominative	tantraśāstram	tantraśāstre	tantraśāstrāṇi
Vocative	tantraśāstra	tantraśāstre	tantraśāstrāṇi
Accusative	tantraśāstram	tantraśāstre	tantraśāstrāṇi
Instrumental	tantraśāstreṇa	tantraśāstrābhyām	tantraśāstraiḥ
Dative	tantraśāstrāya	tantraśāstrābhyām	tantraśāstrebhyaḥ
Ablative	tantraśāstrāt	tantraśāstrābhyām	tantraśāstrebhyaḥ
Genitive	tantraśāstrasya	tantraśāstrayoḥ	tantraśāstrāṇām
Locative	tantraśāstre	tantraśāstrayoḥ	tantraśāstreṣu

Compound tantraśāstra -

Adverb -tantraśāstram -tantraśāstrāt