Section 30(6)(a) in Punjab Urban Planning and Development Building Rules, 2018
(a)First level basement area may be used for habitable purposes subject to the condition that mandatory parking norms are fulfilled and compliance of all requirements for fire safety in accordance with Part 4- Fire and Life Safety of the National Building Code of India, 2016, as amended from time to time and necessary measures for required lighting, ventilation and water supply, drainage and sanitation is ensured;