Also known aschildren roomstudy roomstudy table
A painting of Om forms placed on the eight petals of a lotus (four directions and four vidishas), with the ancient Om at the top; it distributes the energy of Om in all eight directions.
Primarily the grih swami's, the person whose money is going into the house, because the house affects the owner and his next three generations; do not go by the name the property is registered in, such as a daughter. The facing and main door are chosen from the grih swami's chart, for example North if his Mercury is exalted or his North-side planets are strong. Where a child sleeps or studies is decided from the child's own chart: if the child's Mercury is weak, seat him in the South instead of the North, following the 180-degree rule for a weak planet.
Yes, for small children below 12 years there is no problem; the belief that they will over-churn there is a myth. Adults' rooms should not be there, but for a PhD or research scholar the ESE is the best zone.
Green or ivory is the best choice for a child's study table; a teak colour also works.
The house is planned from the chart of the head of the household. A member who has a separate room, such as a son sleeping in his own room, can have that room done according to his own chart.
See in which direction the 5th lord sits. If it sits in the West, that is excellent; if in the East, choose the East. The East and North are best for study anyway, and if the lord sits in the South, studying in the South also works.