Matsya Purana — The Greatness and Procedure of the Aṅgāra
चत्वारः करकाः कार्या भक्ष्यभोज्यसमन्विताः तण्डुलै रक्तशालीयैः पद्मरागैश्च संयुताः //
catvāraḥ karakāḥ kāryā bhakṣyabhojyasamanvitāḥ taṇḍulai raktaśālīyaiḥ padmarāgaiśca saṃyutāḥ //
Four water-jars (karakas) should be prepared, furnished with foods to eat and foods to be enjoyed; they should be accompanied by grains of red śālī rice and by padmarāga gemstones.
This verse does not address pralaya; it focuses on auspicious ritual preparation—specifically the correct arrangement of vessels, food offerings, and valuable accompaniments.
It reflects the householder/kingly duty of performing dāna and yajña-supporting acts with proper materials—offering food, staple grains, and valuable items in a prescribed, auspicious manner.
Ritually, it prescribes four karaka vessels prepared with bhakṣya-bhojya, red śālī rice, and padmarāga—an auspicious combination used to enhance the merit and completeness of a ceremonial gift or offering setup.