Mudgalapurana 3.40.55.c1

3.40.55.c1

oṃ tatsaditi śrīmadāntye purāṇopaniṣadi śrīmanmaudgale mahāpurāṇe tṛtīye khaṇḍe mahodaracarite māṇḍavyacaritaṃ nāma catvāriṃśo'dhyāyaḥ ||

"Om Tat Sat." Thus ends the fortieth chapter, named "The Deed of Māṇḍavya," in the Mahodaracarita in the third section of the glorious Mudgalapurāṇa, an Upaniṣad of the purāṇa.