Declension table of ?tathāvrata

Masculine	Singular	Dual	Plural
Nominative	tathāvrataḥ	tathāvratau	tathāvratāḥ
Vocative	tathāvrata	tathāvratau	tathāvratāḥ
Accusative	tathāvratam	tathāvratau	tathāvratān
Instrumental	tathāvratena	tathāvratābhyām	tathāvrataiḥ tathāvratebhiḥ
Dative	tathāvratāya	tathāvratābhyām	tathāvratebhyaḥ
Ablative	tathāvratāt	tathāvratābhyām	tathāvratebhyaḥ
Genitive	tathāvratasya	tathāvratayoḥ	tathāvratānām
Locative	tathāvrate	tathāvratayoḥ	tathāvrateṣu

Compound tathāvrata -

Adverb -tathāvratam -tathāvratāt