Tamil Nadu Urban Habitat Development Board, TNUHDB vide Letter No. TNUHDB/PMU/ADB/2022 dated 26 September 2022, has entrusted Centre for Urbanization, Buildings & Environment [CUBE] with quality audit services to the ongoing Vallam and Kalanivasal sub projects in Thanjavur and Sivagangai District. CUBE had carried out 3 quality audit inspection of the construction sites of Vallam and Kalanivasal and the findings of the inspection are presented in the report.