Is the mulank for a birth date of 19 taken as 1?
Yes. 1 + 9 = 10 and 1 + 0 = 1, so the mulank is 1.
Related questions
Mulank 4 and 7 point to a South-West door. If Rahu is exalted in the chart, can one keep a South-West main door?
It has been seen that people whose Rahu is exalted, at a good degree and giving good results, had South-West doors without much trouble. Even so, a South-West door should be avoided. Where one exists, do the main door usara with seven sea-salt lumps given in this class, which gives very good results.
What is mulank, and why does it carry less weight than rashi or the birth chart in choosing a door?
Mulank is the digit sum of the birth date: born on the 1st it is 1, on the 11th 1 + 1 = 2, on the 13th 1 + 3 = 4, on the 18th 1 + 8 = 9. Indian astrology gives it little weight because India runs by tithi, not by date; if dates mattered, tides, amavasya, purnima and eclipses would fall on fixed dates. Doors by mulank follow the planet of each number (1 Sun East, 2 Moon North-West, 3 Jupiter North-East, 4 Rahu and 7 Ketu South-West, 5 Mercury North, 6 Venus South-East, 8 Saturn West, 9 Mars South), but the rashi and the birth chart should decide.
A client has an exalted Saturn and a debilitated Venus. Can the bedroom be made in the West?
Yes, it will be very good. With an exalted Saturn, make the bedroom in the West without hesitation; WSW or even SW can also be used, but when Saturn is exalted the West gives the best results.
A couple sleeps in the SW; one has an exalted Rahu and the other a debilitated Rahu. Can they sleep there?
Yes. After marriage, as in the hathleva ritual, the planets of one partner overlap the other, and the exalted planet's influence prevails.
Are women given less importance when the house is read from the man's chart?
No, they are given full importance. The house is bought with the man's money, but its comforts are for the women. At griha pravesh the kalash chakra also checks the woman's rashi for the 4th, 8th and 12th positions, and women enter the house first.
As an interior designer, clients choose their own colours and I cannot check their planets; should I give a remedy or try to convince them?
Do not try to convince anyone. People mostly like the colours that match their own planets. If a client chooses an anti-element colour and their kundli allows it, never stop them; it will bring them benefit.