Lab on a chip or Miniaturised lab are new technological development in the field of cost effective diagnosis techniques that having same benchmark as that of conventional equipments. These development takes place as a result of advanced development in field of Molecular biology, Microchemistry, Nano materials, Microelectronics etc in the last decade. Cost effective diagnosis will continue to evolve as a large population in the world lives in remote area and due to the importance of better diagnosis in primary healthcare centre.