The first products employed had been wood and terracotta, but architects gradually moved on to brick and stone, Specially sandstone, granite, schist, and marble. No mortar was used in the more mature temples and so precise slicing of dressed stones was required. Evidently the reactions in direction of "untouchables" is https://newsnoveltoday.blogspot.com/2024/04/unveiling-majesty-of-hindu-temple-in.html