from mapscript import mapObj,layerObj
wkt = '''GEOGCS["GCS_Everest_India_Nepal",DATUM["Everest_India_Nepal",SPHEROID["Everest_Definition_1962",6377301.243,300.8017255]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295],AUTHORITY["EPSG","37203"]]'''
m = mapObj('')
m.setWKTProjection(wkt)
lyr = layerObj(m)
lyr.setWKTProjection(wkt)