Declension table of rudrahṛdayopaniṣad

Feminine	Singular	Dual	Plural
Nominative	rudrahṛdayopaniṣat	rudrahṛdayopaniṣadau	rudrahṛdayopaniṣadaḥ
Vocative	rudrahṛdayopaniṣat	rudrahṛdayopaniṣadau	rudrahṛdayopaniṣadaḥ
Accusative	rudrahṛdayopaniṣadam	rudrahṛdayopaniṣadau	rudrahṛdayopaniṣadaḥ
Instrumental	rudrahṛdayopaniṣadā	rudrahṛdayopaniṣadbhyām	rudrahṛdayopaniṣadbhiḥ
Dative	rudrahṛdayopaniṣade	rudrahṛdayopaniṣadbhyām	rudrahṛdayopaniṣadbhyaḥ
Ablative	rudrahṛdayopaniṣadaḥ	rudrahṛdayopaniṣadbhyām	rudrahṛdayopaniṣadbhyaḥ
Genitive	rudrahṛdayopaniṣadaḥ	rudrahṛdayopaniṣadoḥ	rudrahṛdayopaniṣadām
Locative	rudrahṛdayopaniṣadi	rudrahṛdayopaniṣadoḥ	rudrahṛdayopaniṣatsu

Compound rudrahṛdayopaniṣat -

Adverb -rudrahṛdayopaniṣat