Bhagavad Gita 1.14

ततः श्वेतैर्हयैर्युक्ते महति स्यन्दने स्थितौ।माधवः पाण्डवश्चैव दिव्यौ शङ्खौ प्रदध्मतुः ॥१.१४॥

tataḥ śvetairhayairyukte mahati syandane sthitaumādhavaḥ pāṇḍavaścaiva divyau śaṅkhau pradadhmatuḥ

Then, Madhava (Krishna) and the son of Pandu (Arjuna), seated in the magnificent chariot yoked with white horses, blew divine conches.

गीता