Declension table of siddharasa

Masculine	Singular	Dual	Plural
Nominative	siddharasaḥ	siddharasau	siddharasāḥ
Vocative	siddharasa	siddharasau	siddharasāḥ
Accusative	siddharasam	siddharasau	siddharasān
Instrumental	siddharasena	siddharasābhyām	siddharasaiḥ siddharasebhiḥ
Dative	siddharasāya	siddharasābhyām	siddharasebhyaḥ
Ablative	siddharasāt	siddharasābhyām	siddharasebhyaḥ
Genitive	siddharasasya	siddharasayoḥ	siddharasānām
Locative	siddharase	siddharasayoḥ	siddharaseṣu

Compound siddharasa -

Adverb -siddharasam -siddharasāt