Section 30(6)(d) in Punjab Urban Planning and Development Building Rules, 2018
(d)[ The minimum height of the ceiling of first level basement shall be 0.9 meters and maximum 1.2 meters above the average surrounding ground level, except convenient shopping. However, if sunken court is provided for light and ventilation then the same shall not be mandatory.] [Substituted by Notification No. G.S.R.33/P.A.11/1995/Ss.43 and 180/Amd. (3)/2019, dated 04.10.2019 (w.e.f. 12.6.2018).];