Declension table of ?maṅgalasvara

Masculine	Singular	Dual	Plural
Nominative	maṅgalasvaraḥ	maṅgalasvarau	maṅgalasvarāḥ
Vocative	maṅgalasvara	maṅgalasvarau	maṅgalasvarāḥ
Accusative	maṅgalasvaram	maṅgalasvarau	maṅgalasvarān
Instrumental	maṅgalasvareṇa	maṅgalasvarābhyām	maṅgalasvaraiḥ maṅgalasvarebhiḥ
Dative	maṅgalasvarāya	maṅgalasvarābhyām	maṅgalasvarebhyaḥ
Ablative	maṅgalasvarāt	maṅgalasvarābhyām	maṅgalasvarebhyaḥ
Genitive	maṅgalasvarasya	maṅgalasvarayoḥ	maṅgalasvarāṇām
Locative	maṅgalasvare	maṅgalasvarayoḥ	maṅgalasvareṣu

Compound maṅgalasvara -

Adverb -maṅgalasvaram -maṅgalasvarāt