Bāṣkala Upaniṣad 1

1

medhātithiṃ kāṇvam indro jahāra dyā meṣabhūyopagato vidānaḥ /
tam anya it tamanaṃ pariprāṭ pada enaṃ niyuje parasmin //1//

Indra carried off Medhātithi, the son of Kaṇva, to heaven, having knowingly approached him in the form of a ram. / Someone questioned him who was choking with grief, as he was binding him to the highest step: //1