Declension table of ?harivrata

Neuter	Singular	Dual	Plural
Nominative	harivratam	harivrate	harivratāni
Vocative	harivrata	harivrate	harivratāni
Accusative	harivratam	harivrate	harivratāni
Instrumental	harivratena	harivratābhyām	harivrataiḥ
Dative	harivratāya	harivratābhyām	harivratebhyaḥ
Ablative	harivratāt	harivratābhyām	harivratebhyaḥ
Genitive	harivratasya	harivratayoḥ	harivratānām
Locative	harivrate	harivratayoḥ	harivrateṣu

Compound harivrata -

Adverb -harivratam -harivratāt