Declension table of ?upaniṣādin

Neuter	Singular	Dual	Plural
Nominative	upaniṣādi	upaniṣādinī	upaniṣādīni
Vocative	upaniṣādin upaniṣādi	upaniṣādinī	upaniṣādīni
Accusative	upaniṣādi	upaniṣādinī	upaniṣādīni
Instrumental	upaniṣādinā	upaniṣādibhyām	upaniṣādibhiḥ
Dative	upaniṣādine	upaniṣādibhyām	upaniṣādibhyaḥ
Ablative	upaniṣādinaḥ	upaniṣādibhyām	upaniṣādibhyaḥ
Genitive	upaniṣādinaḥ	upaniṣādinoḥ	upaniṣādinām
Locative	upaniṣādini	upaniṣādinoḥ	upaniṣādiṣu

Compound upaniṣādi -

Adverb -upaniṣādi