Agnipurana 116.17

116.17

gadādharāgrato muṇḍapṛṣṭhe devyāś ca sannidhau /
muṇdapṛṣṭhaṃ namedādau kṣetrapālādisaṃyutam //

in front of Gadādhara, upon Muṇḍapṛṣṭha, and in the presence of the Goddess. / One should first bow to Muṇḍapṛṣṭha together with the protector of the site and others;