There are various remedies for this dosha—basic purpose of all remedies is reduction in dosha of self & of ancestors giving mukti , shanty to them & to Give them satisfaction & happiness for getting their blessings -by doing pinddan shraddah karm & Tarpana In PITRI PAX & offering food to Brahmins Cow , Dog & Crows) .
Other remedies include , balanced behavior & respect to family members , parents & service to the poor , needy old aged people of society or at places of jyotir lingas situated at different place in our country .
For Matree dosha- 1.25 lakh Jap of Gaytri mantra to be done & donate silver pot filled with milk .
On somvati –amavasya – worship of Peepal tree with lord Vishnu offer yagyopavit to both & do parikramas 108 times , chanting any Vishnu mantra such as aum namo narayanay or aum namo bhagavate vasudevay or aum ram ramaya etc offer sweet as naivadyam after completion of parikramas , & pray for forgiveness – for all sins or doshas done by you or your ancestors knowingly or unknowingly in previous births .
Sit near peepal or bel Tree or in Goshala ( cowshed ) or in Temple of lord Shiva – do jap of Tarak mantra-Aum Namah Shivaya 108 times daily with taking sankalp of dosha mukti .
In Indian mythology authorization of salvation or mukti is associated with lord Vishnu or lord Shiva . So Jap of Vishnu mantra & path of Vishnusahasranaam or jap of Shiva or Mahamritunjaya mantra & Rudrabhishek or path of Shiva Sahsranaam must be done regular Saptahik- Parayan or path of Shreemadbhagvat have been suggested .
Pinddan , Havan ,Tarpon & Brahman bhojan can be done for Pitra- dosha shanty .
Apart from this there are some simple less time consuming & cheaper , easy , effective remedies that can be added in daily life of any one to reduce this dosha –
Do path of Gajendra moksha or Papprashaman stotra daily .
Before starting of path of Pitree -Stotra – chant pitra- gayatri three times—
AUM DEVTABHYAHA PITRIBHYASH MAHAYOGIBHYA AIVACHA
NAMAH SWAHAYAI SWADHAYAI NITYAMEVA NAMO NAMAH
And do one path of Puranokta or Vedokta Pitree stotra daily in morning after bath by sitting & facing South direction for a year daily .