Declension table of ?mudra

Masculine	Singular	Dual	Plural
Nominative	mudraḥ	mudrau	mudrāḥ
Vocative	mudra	mudrau	mudrāḥ
Accusative	mudram	mudrau	mudrān
Instrumental	mudreṇa	mudrābhyām	mudraiḥ mudrebhiḥ
Dative	mudrāya	mudrābhyām	mudrebhyaḥ
Ablative	mudrāt	mudrābhyām	mudrebhyaḥ
Genitive	mudrasya	mudrayoḥ	mudrāṇām
Locative	mudre	mudrayoḥ	mudreṣu

Compound mudra -

Adverb -mudram -mudrāt