Declension table of ?dīpotsava

Masculine	Singular	Dual	Plural
Nominative	dīpotsavaḥ	dīpotsavau	dīpotsavāḥ
Vocative	dīpotsava	dīpotsavau	dīpotsavāḥ
Accusative	dīpotsavam	dīpotsavau	dīpotsavān
Instrumental	dīpotsavena	dīpotsavābhyām	dīpotsavaiḥ dīpotsavebhiḥ
Dative	dīpotsavāya	dīpotsavābhyām	dīpotsavebhyaḥ
Ablative	dīpotsavāt	dīpotsavābhyām	dīpotsavebhyaḥ
Genitive	dīpotsavasya	dīpotsavayoḥ	dīpotsavānām
Locative	dīpotsave	dīpotsavayoḥ	dīpotsaveṣu

Compound dīpotsava -

Adverb -dīpotsavam -dīpotsavāt