Nepal Nagarkot 3D - ESRI:104664

WKT

GEOGCS["Nepal_Nagarkot_3D", 
	DATUM["D_Nepal_Nagarkot", 
		SPHEROID["Everest_Adjustment_1937", 6377276.345, 300.8017]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433], 
	LINUNIT["Meter", 1.0]]

WKT2

GEOGCRS["Nepal_Nagarkot_3D", 
	DATUM["D_Nepal_Nagarkot", 
		ELLIPSOID["Everest_Adjustment_1937", 6377276.345, 300.8017]], 
	PRIMEM["Greenwich", 0.0], 
	CS[ellipsoidal, 3], 
	AXIS["Longitude (lon)", east, 
		ORDER[1], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	AXIS["Latitude (lat)", north, 
		ORDER[2], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	AXIS["Ellipsoidal height (h)", up, 
		ORDER[3], 
		LENGTHUNIT["Meter", 1.0]], 
	ID["Esri", "104664"]]

Data from @esri/proj-codes

{
  "wkid": 104664,
  "latestWkid": 104664,
  "macro": "PE_GCS_NEPAL_NAGARKOT_3D",
  "name": "Nepal_Nagarkot_3D",
  "wkt": "GEOGCS[\"Nepal_Nagarkot_3D\",DATUM[\"D_Nepal_Nagarkot\",SPHEROID[\"Everest_Adjustment_1937\",6377276.345,300.8017]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433],LINUNIT[\"Meter\",1.0]]",
  "wkt2": "GEOGCRS[\"Nepal_Nagarkot_3D\",DATUM[\"D_Nepal_Nagarkot\",ELLIPSOID[\"Everest_Adjustment_1937\",6377276.345,300.8017]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,3],AXIS[\"Longitude (lon)\",east,ORDER[1],ANGLEUNIT[\"Degree\",0.0174532925199433]],AXIS[\"Latitude (lat)\",north,ORDER[2],ANGLEUNIT[\"Degree\",0.0174532925199433]],AXIS[\"Ellipsoidal height (h)\",up,ORDER[3],LENGTHUNIT[\"Meter\",1.0]],ID[\"Esri\",\"104664\"]]",
  "description": "Nepal Nagarkot 3D",
  "authority": "Esri",
  "version": "12.7.0",
  "deprecated": "no",
  "areaname": "Nepal",
  "extent": {
    "slat": 26.34,
    "nlat": 30.43,
    "llon": 80.06,
    "rlon": 88.21
  }
}