Pitṛ-Śrāddha Vidhi: Rājata-dāna, Kṛṣṇājina, and Vedi/Garta Construction
Ancestral Rite Protocols
खण्डनं प्रोक्षणं चैव तथैवोल्लेखनं द्विजः / सकृद्देवपितॄणां स्यात्पितॄणां त्रिभिरुच्यते
khaṇḍanaṃ prokṣaṇaṃ caiva tathaivollekhanaṃ dvijaḥ / sakṛddevapitṝṇāṃ syātpitṝṇāṃ tribhirucyate
A dvija should perform the khaṇḍana, the prokṣaṇa, and likewise the ullekhaṇa. For the deva-pitṛs it is done once; for the pitṛs it is prescribed as three times.