GEOGCS["Unknown datum based upon the Everest (1830 Definition) ellipsoid (deprecated)",
    DATUM["Not_specified_based_on_Everest_1830_Definition_ellipsoid",
        SPHEROID["Everest (1830 Definition)",6377299.36559538,300.801725543355,
            AUTHORITY["EPSG","7042"]],
        AUTHORITY["EPSG","6042"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4042"]]