Can we create the mantras of the vastu devtas ourselves?
Yes. Use the name as Om Shri [devta name] Namah, or the beej syllable of the devta element between Om and Namah, since every devta is made of the five elements. These short mantras are easy for clients and no less effective than the long ones in Samarangan Sutradhar and Vishwakarma Prakash; offering bhog samagri uses a separate mantra.
Related questions
Shikhi lies in the pishach bhoomi, so where should one sit for its jaap?
One cannot sit in the pishach bhoomi itself. Sit facing East in padmasan or sukhasan, project your vision to the devta's place as if through a telescope and visualise it, and chant the Shikhi mantra on a silver or gold mala, as many rounds as possible, in the period up to 3:00 am; with aahuti the mantra ends in swaha. It helps when the mind is blocked, business ideas do not come or children cannot memorise. Exact words: refer to the class recording.
A washing machine uses water, so why can it go in the South-East?
What runs it is electricity, which represents fire; the kitchen in the SE also has water. So a washing machine can go in the SE, ESE, SSE and also the North-West.
About 11 or 12 of the 45 devtas are asuras. Whose energy should be increased and whose kept low to stay balanced?
This was to be explained in detail later, as there is a big confusion about it. Asura devtas are also needed: the day there are no asuras in your house, your work will not run, so the aim is balance, not removing them.
After placing sweets and later chanting the mantra 27 times at a devta place, I felt strong heat in my body. Why?
It shows a defect or imbalance at that pad. When an offering reaches a defective place the defect tries to come out, as when granite tiles at one devta pad cracked during a group havan, and the body reacts. The uneasiness is a signal: the pad must be purified and activated with the method being taught (havan samagri, bhog samagri, mantra or the samagri to hang), so wait for the full method before trying again.
Are the 32 outer devtas drawn in the Manushya bhoomi or in the Pishach bhoomi?
In the Pishach bhoomi, the outermost band. The 32 outer devta lines are drawn only within the Pishach bhoomi, while the 12 inner devtas sit in the combined Manushya and Dev band and Brahma in the centre.
Are the symbols used in these treatments, such as the swastik, Vedic or newly made?
The symbols are taken from the Vedic tradition, such as the swastik, but they are designed with an added element that generates and spreads their energy, and the material they are engraved on matters. Each piece was to be shown physically in class.