Lakhori bricks (also Badshahi bricks, Kakaiya bricks, Lakhauri bricks) are flat, thin, red burnt-clay bricks, originating from the Indian subcontinent that became increasingly popular element of Mughal architecture during Shah Jahan, and remained so till early 20th century when lakhori bricks and similar Nanak Shahi bricks were replaced by the larger standard 9"x4"x3" bricks called ghumma bricks that were introduced by the colonial British India.