How can a wooden false ceiling be made white?
It does not need to be white. Keep the natural colour of the wood; wood-coloured ceilings have been used for thousands of years. Painting it red, green or grey is wrong.
Related questions
Can a false ceiling be painted blue, and will it cause problems?
Light sky blue that matches the colour of the sky can be used and causes no problem. If the blue is dark, paint small twinkling stars on it to nullify its effect.
Can the ceiling be painted brown?
Not at all. Brown on the ceiling starts representing fire in the space element.
Can wooden flooring and wooden ceilings be used in any zone?
Yes, wood can be used in every zone and direction, just as wooden doors are used everywhere. Similarly, white or ivory can be used in all directions when the whole house is painted in that one colour.
What should be done if the overhead tank is directly above the bed?
Paste a thin layer of muscovite (mica) on the ceiling, or give the room a wooden ceiling. Sleeping under an overhead tank generates hydro currents that raise the risk of heart problems.
A shop shutter has to be painted with oil-based paint. What should be done?
Oil-based paint is not compulsory even for a shutter. If it has already been used, spray desi cow urine on it once.
A wooden temple with elephant figures stands in the North-East. Is that fine?
Elephant figures should stand on something solid, not hang in the air. The temple can stay, but a temple with elephants is better placed in the West.