Yes, observing certain disciplines enhances the sanctity of Shraddh in Gaya. The Karta should ideally:
Maintain purity: Take a bath before the ritual.Eat simple, sattvic food: Preferably eat only after the Shraddh ritual for the day is completed. Avoid non-vegetarian food, onions, garlic, masoor dal, and outside food during the period of performing Shraddh in Gaya (which might be 1-3 days).
Abstain from: Shaving, cutting hair/nails, using oil, intimate relations during the Shraddh period in Gaya.
These observances help maintain focus and purity, making the offerings during Shraddh in Gaya more effective.
