PROJCS["Kertau 1968 / Perak Revised Grid",
    GEOGCS["Kertau 1968",
        DATUM["Kertau_1968",
            SPHEROID["Everest 1830 Modified",6377304.063,300.8017],
            TOWGS84[-11,851,5,0,0,0,0]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4245"]],
    PROJECTION["Cassini_Soldner"],
    PARAMETER["latitude_of_origin",4.85938055555556],
    PARAMETER["central_meridian",100.816766666667],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",133453.669],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","4397"]]