Declension table of ?siddhimārga

Masculine	Singular	Dual	Plural
Nominative	siddhimārgaḥ	siddhimārgau	siddhimārgāḥ
Vocative	siddhimārga	siddhimārgau	siddhimārgāḥ
Accusative	siddhimārgam	siddhimārgau	siddhimārgān
Instrumental	siddhimārgeṇa	siddhimārgābhyām	siddhimārgaiḥ siddhimārgebhiḥ
Dative	siddhimārgāya	siddhimārgābhyām	siddhimārgebhyaḥ
Ablative	siddhimārgāt	siddhimārgābhyām	siddhimārgebhyaḥ
Genitive	siddhimārgasya	siddhimārgayoḥ	siddhimārgāṇām
Locative	siddhimārge	siddhimārgayoḥ	siddhimārgeṣu

Compound siddhimārga -

Adverb -siddhimārgam -siddhimārgāt