Matsya Purana — The Rite of Donating the ‘Mountain of Salt’
वित्तहीनो यथाशक्त्या द्रोणादूर्ध्वं तु कारयेत् चतुर्थांशेन विष्कम्भपर्वतान्कारयेत्पृथक् //
vittahīno yathāśaktyā droṇādūrdhvaṃ tu kārayet caturthāṃśena viṣkambhaparvatānkārayetpṛthak //
If one is short of resources, one should build it according to one’s ability, beginning from the standard measure of one droṇa and upward; and the transverse spans and the projecting, “mountain-like” members should be made separately at one-fourth of the main measure.
This verse does not address Pralaya; it is a Vastuvidya rule about adjusting construction dimensions to one’s means and maintaining proportional sub-elements.
It frames building as a dharmic act governed by practicality: a patron (king or householder) should commission construction within available resources while still following prescribed proportional standards.
It gives a measurement principle: begin from a baseline unit (droṇa) and scale upward, while making cross-spans (viṣkambha) and projecting members (parvata) as distinct components set at one-quarter proportion.