Declension table of nirdaya

Neuter	Singular	Dual	Plural
Nominative	nirdayam	nirdaye	nirdayāni
Vocative	nirdaya	nirdaye	nirdayāni
Accusative	nirdayam	nirdaye	nirdayāni
Instrumental	nirdayena	nirdayābhyām	nirdayaiḥ
Dative	nirdayāya	nirdayābhyām	nirdayebhyaḥ
Ablative	nirdayāt	nirdayābhyām	nirdayebhyaḥ
Genitive	nirdayasya	nirdayayoḥ	nirdayānām
Locative	nirdaye	nirdayayoḥ	nirdayeṣu

Compound nirdaya -

Adverb -nirdayam -nirdayāt