Declension table of ?vṛttaśastra

Neuter	Singular	Dual	Plural
Nominative	vṛttaśastram	vṛttaśastre	vṛttaśastrāṇi
Vocative	vṛttaśastra	vṛttaśastre	vṛttaśastrāṇi
Accusative	vṛttaśastram	vṛttaśastre	vṛttaśastrāṇi
Instrumental	vṛttaśastreṇa	vṛttaśastrābhyām	vṛttaśastraiḥ
Dative	vṛttaśastrāya	vṛttaśastrābhyām	vṛttaśastrebhyaḥ
Ablative	vṛttaśastrāt	vṛttaśastrābhyām	vṛttaśastrebhyaḥ
Genitive	vṛttaśastrasya	vṛttaśastrayoḥ	vṛttaśastrāṇām
Locative	vṛttaśastre	vṛttaśastrayoḥ	vṛttaśastreṣu

Compound vṛttaśastra -

Adverb -vṛttaśastram -vṛttaśastrāt