Vaishampayana said Having been commanded by Krishna, the son of Pandu (Yudhishthira) with his brothers employed himself to collect the necessary materials for the Rajasuya (sacrifice).
वैशम्पायन उवाच अनुज्ञातस्तु कृष्णेन पाण्वो भ्रातृभिः सह। ईजितुं राजसूयेन साधनान्युपचक्रमे॥