Declension table of ?mahatkṣetra

Masculine	Singular	Dual	Plural
Nominative	mahatkṣetraḥ	mahatkṣetrau	mahatkṣetrāḥ
Vocative	mahatkṣetra	mahatkṣetrau	mahatkṣetrāḥ
Accusative	mahatkṣetram	mahatkṣetrau	mahatkṣetrān
Instrumental	mahatkṣetreṇa	mahatkṣetrābhyām	mahatkṣetraiḥ mahatkṣetrebhiḥ
Dative	mahatkṣetrāya	mahatkṣetrābhyām	mahatkṣetrebhyaḥ
Ablative	mahatkṣetrāt	mahatkṣetrābhyām	mahatkṣetrebhyaḥ
Genitive	mahatkṣetrasya	mahatkṣetrayoḥ	mahatkṣetrāṇām
Locative	mahatkṣetre	mahatkṣetrayoḥ	mahatkṣetreṣu

Compound mahatkṣetra -

Adverb -mahatkṣetram -mahatkṣetrāt