Let us understand that the basic methods or principles for the successful completion of Pitra Puja. This Guidelines are written keeping in mind that the readers come from various background like religion, caste and nationality. Hence this Guidelines are applicable for everyone, who lives in this world. 1. Try to worship your ancestors along with every member of the family. Do not allow the differences within your family members to stand in the way of the united worship. 2. Never ignore elderly person living in the family, while worshiping the dead ancestors. 3. Never speak ill about the departed souls. Don't make any unwanted comments about their past life. This Guidelines are especially applicable to the women, when they pray for the departed mother-in-law and for the men, when they pray for the departed father-in-law. 4. Do not offer any kind of non-vegetarian foods to the departed ancestors. Those who pray should not eat any kind of non-vegetarian foods. 5. Do not use