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"]]