The Valakhilyas said : O Prajapati, our this action (penance) is for creating an Indra. It is also meant for a son being born to you.
वालखिल्या ऊचुः इन्द्रार्थोऽयं समारम्भः सर्वेषां नः प्रजापते। अपत्यार्थं समारम्भो भवतश्चायमीप्सितः॥