If a basement lies between two buildings, how is its direction checked?
Degrees can still be taken: place the compass parallel to the axis, or draw the line with the Google Earth compass, and read the degree from it.
Related questions
A bungalow has a good North entry but a semi-basement in SE, SSE and the South, with its entrance from inside. What will happen?
Even with good doors, if the basement is wrong, the house gets the results of that wrong basement.
Bank lockers are kept in basements. Is that wrong?
Not all banks keep lockers in the basement. A study found that banks with lockers in the basement had the most NPA accounts, and such banks were also looted by big frauds. A locker should never be kept in a basement.
Can a chabutra be built in a basement?
Yes, a chabutra can be built in the basement, and building it there gives results.
Can an office be built in a basement?
An office needs ventilation, so a basement does not suit proper work. Only businesses of an adharmic nature, such as some salons and facial parlours, run well in basements; they do not need pure energy like the Sun's.
How are the small marks on the compass read?
Each small line is 2 degrees. If the needle falls three lines after North, the tilt is 6 degrees; five lines after North means 10 degrees.
How can I know which direction I am facing?
Use a compass (disha suchak yantra); it shows the direction your face is pointing.