Bhagavad Gita 8.2

अधियज्ञः कथं कोऽत्र देहेऽस्मिन्मधुसूदन |
प्रयाणकाले च कथं ज्ञेयोऽसि नियतात्मभि:

Translation

Who is Adhiyajna in the body and how is He the Adhiyajna? O Krishna, how are You to be known at the time of death by those of steadfast mind?