What is the Pitru Dosha associated with Ashtami ancestors?

According to the Vishnu Dharmashastra, neglected ancestors who died on Ashtami are said to generate a specific Pitru Dosha affecting the bones, joints, and physical vitality of descendants. This can manifest as chronic back pain, arthritis, unexplained fatigue, or persistent health issues across generations. The remedy is to perform Ashtami Shradh with complete ritual procedure, ideally at a tirtha like Prayagraj, and to recite the Maha Mrityunjaya Mantra 108 times for the ancestor.