Within the Sai Organization, a Young Adult is someone aged 18 to 35 years of age.

Young Adult programs are being established to encourage young adults to lead purposeful lives by learning and practicing spiritual values as defined and established by the life, message, and works of Sathya Sai Baba. Young Adult programs are intended to enhance, not interfere with, harmony and understanding in family relationships and within the Sai Organization. The programs provide forums for Young Adults of like mind to meet and discuss issues in leading spiritual lives in today’s world.

Please find more info about YA’s:

http://www.sathyasai.org/organize/ya/content.htm