GEOGCS["Unknown datum based upon the Everest 1830 (1937 Adjustment) ellipsoid (deprecated)",
    DATUM["Not_specified_based_on_Everest_1830_1937_Adjustment_ellipsoid",
        SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017,
            AUTHORITY["EPSG","7015"]],
        AUTHORITY["EPSG","6015"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4015"]]