वास्तुहृदयादुत्तरे नवभागे यथोक्तविधानमन्तःपुरं प्रान्मुखमुदन्मुखं वा कारयेत् ॥ कZ_०२.४.०७ ॥
vāstuhṛdayād uttare navabhāge yathoktavidhānam antaḥpuraṃ prānmukham udanmukhaṃ vā kārayet
In the northern ninth-part from the heart of the site, the inner palace (antaḥpura) should be built according to the stated rules, facing east or facing north.
Sectoring creates predictable security perimeters and access control, separating the ruler’s household from administrative and commercial flows.
Beyond ritual considerations, fixed orientation standardizes entrances, guard placement, and circulation routes—useful for security routines.