Declension table of ?siddhidarśin

Neuter	Singular	Dual	Plural
Nominative	siddhidarśi	siddhidarśinī	siddhidarśīni
Vocative	siddhidarśin siddhidarśi	siddhidarśinī	siddhidarśīni
Accusative	siddhidarśi	siddhidarśinī	siddhidarśīni
Instrumental	siddhidarśinā	siddhidarśibhyām	siddhidarśibhiḥ
Dative	siddhidarśine	siddhidarśibhyām	siddhidarśibhyaḥ
Ablative	siddhidarśinaḥ	siddhidarśibhyām	siddhidarśibhyaḥ
Genitive	siddhidarśinaḥ	siddhidarśinoḥ	siddhidarśinām
Locative	siddhidarśini	siddhidarśinoḥ	siddhidarśiṣu

Compound siddhidarśi -

Adverb -siddhidarśi