I hope you need the mantras for gnathis. i.e falling within seven thalai urai Not for the kartha.
If it is so all thee gnathys do kuzhi tharpanam on 19th day starting dfrom the youngest befre the kartha,y
In case if ot abatsoever the reason he can do it ere whthle to particio sankalpam as pate he can do it seperately.
for that after having kshavaram and bath he do nithya karmanustanam as applicable with less gayatri japam i.e maximun 10times,
after doing madyanikam he wear pavitran with one dharbai. one dharbai koorcham or bugnam, to do aavahanam he
should need athi kothy or one dharba koorcham. due to non avilablity of time i will come later
Rajappa Namakkal
