Declension table of ?siddhakṣetra

Neuter	Singular	Dual	Plural
Nominative	siddhakṣetram	siddhakṣetre	siddhakṣetrāṇi
Vocative	siddhakṣetra	siddhakṣetre	siddhakṣetrāṇi
Accusative	siddhakṣetram	siddhakṣetre	siddhakṣetrāṇi
Instrumental	siddhakṣetreṇa	siddhakṣetrābhyām	siddhakṣetraiḥ
Dative	siddhakṣetrāya	siddhakṣetrābhyām	siddhakṣetrebhyaḥ
Ablative	siddhakṣetrāt	siddhakṣetrābhyām	siddhakṣetrebhyaḥ
Genitive	siddhakṣetrasya	siddhakṣetrayoḥ	siddhakṣetrāṇām
Locative	siddhakṣetre	siddhakṣetrayoḥ	siddhakṣetreṣu

Compound siddhakṣetra -

Adverb -siddhakṣetram -siddhakṣetrāt