Declension table of ?prasannakalpa

Neuter	Singular	Dual	Plural
Nominative	prasannakalpam	prasannakalpe	prasannakalpāni
Vocative	prasannakalpa	prasannakalpe	prasannakalpāni
Accusative	prasannakalpam	prasannakalpe	prasannakalpāni
Instrumental	prasannakalpena	prasannakalpābhyām	prasannakalpaiḥ
Dative	prasannakalpāya	prasannakalpābhyām	prasannakalpebhyaḥ
Ablative	prasannakalpāt	prasannakalpābhyām	prasannakalpebhyaḥ
Genitive	prasannakalpasya	prasannakalpayoḥ	prasannakalpānām
Locative	prasannakalpe	prasannakalpayoḥ	prasannakalpeṣu

Compound prasannakalpa -

Adverb -prasannakalpam -prasannakalpāt