chaturdashi Shraddha Tithi is only suitable for those deceased family members who were killed by some weapon, died in an accident, committed suicide or murdered. Otherwise Chaturdashi Shraddha is not done on this Tithi and is performed on Amavasya Shraddha Tithi. Chaturdashi Shraddha is also known as Ghat Chaturdashi Shraddha or Ghayala Chaturdashi Shraddha. Chaturdashi Shraddha is also known as Chaudas Shraddha. Pitru Paksha Shraddhas are Parvan Shraddhas and auspicious time to perform them is either Kutup Muhurat and Rohina etc. Muhurat after that till Aparahana Kaal gets over. Tarpan is done at the end of the Shraddha.