Śrāddha-kalpa: Dāna-phala-nirdeśa
Gifts in Śrāddha and Their Fruits
श्राद्धे छत्रं तु यो दद्यात्पुष्पमालान्वितं तथा / प्रासादो ह्युत्तमो भूत्वा गच्छन्तमनुगच्छति
śrāddhe chatraṃ tu yo dadyātpuṣpamālānvitaṃ tathā / prāsādo hyuttamo bhūtvā gacchantamanugacchati
Whoever, at the śrāddha, gives a parasol adorned with a garland of flowers—an excellent reward, becoming like a noble palace, follows that person as they go.