Declension table of ?aupaniṣatka

Masculine	Singular	Dual	Plural
Nominative	aupaniṣatkaḥ	aupaniṣatkau	aupaniṣatkāḥ
Vocative	aupaniṣatka	aupaniṣatkau	aupaniṣatkāḥ
Accusative	aupaniṣatkam	aupaniṣatkau	aupaniṣatkān
Instrumental	aupaniṣatkena	aupaniṣatkābhyām	aupaniṣatkaiḥ aupaniṣatkebhiḥ
Dative	aupaniṣatkāya	aupaniṣatkābhyām	aupaniṣatkebhyaḥ
Ablative	aupaniṣatkāt	aupaniṣatkābhyām	aupaniṣatkebhyaḥ
Genitive	aupaniṣatkasya	aupaniṣatkayoḥ	aupaniṣatkānām
Locative	aupaniṣatke	aupaniṣatkayoḥ	aupaniṣatkeṣu

Compound aupaniṣatka -

Adverb -aupaniṣatkam -aupaniṣatkāt