Declension table of siddhapadasānnidhya

Neuter	Singular	Dual	Plural
Nominative	siddhapadasānnidhyam	siddhapadasānnidhye	siddhapadasānnidhyāni
Vocative	siddhapadasānnidhya	siddhapadasānnidhye	siddhapadasānnidhyāni
Accusative	siddhapadasānnidhyam	siddhapadasānnidhye	siddhapadasānnidhyāni
Instrumental	siddhapadasānnidhyena	siddhapadasānnidhyābhyām	siddhapadasānnidhyaiḥ
Dative	siddhapadasānnidhyāya	siddhapadasānnidhyābhyām	siddhapadasānnidhyebhyaḥ
Ablative	siddhapadasānnidhyāt	siddhapadasānnidhyābhyām	siddhapadasānnidhyebhyaḥ
Genitive	siddhapadasānnidhyasya	siddhapadasānnidhyayoḥ	siddhapadasānnidhyānām
Locative	siddhapadasānnidhye	siddhapadasānnidhyayoḥ	siddhapadasānnidhyeṣu

Compound siddhapadasānnidhya -

Adverb -siddhapadasānnidhyam -siddhapadasānnidhyāt