Gulshan 303 Bangladesh Transverse Mercator - EPSG:9678

WKT

PROJCS["Gulshan_303_Bangladesh_Transverse_Mercator", 
	GEOGCS["GCS_Gulshan_303", 
		DATUM["D_Gulshan_303", 
			SPHEROID["Everest_Adjustment_1937", 6377276.345, 300.8017]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 500000.0], 
	PARAMETER["False_Northing", -2000000.0], 
	PARAMETER["Central_Meridian", 90.0], 
	PARAMETER["Scale_Factor", 0.9996], 
	PARAMETER["Latitude_Of_Origin", 0.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["Gulshan_303_Bangladesh_Transverse_Mercator", 
	BASEGEOGCRS["GCS_Gulshan_303", 
		DATUM["D_Gulshan_303", 
			ELLIPSOID["Everest_Adjustment_1937", 6377276.345, 300.8017]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Transverse_Mercator", 
		METHOD["Transverse_Mercator"], 
		PARAMETER["False_Easting", 500000.0], 
		PARAMETER["False_Northing", -2000000.0], 
		PARAMETER["Central_Meridian", 90.0], 
		PARAMETER["Scale_Factor", 0.9996], 
		PARAMETER["Latitude_Of_Origin", 0.0]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "9678"]]

Data from @esri/proj-codes

{
  "wkid": 9678,
  "latestWkid": 9678,
  "gcsWkid": 4682,
  "macro": "PE_PCS_GULSHAN_303_BANGLADESH_TRANSVERSE_MERCATOR",
  "name": "Gulshan_303_Bangladesh_Transverse_Mercator",
  "wkt": "PROJCS[\"Gulshan_303_Bangladesh_Transverse_Mercator\",GEOGCS[\"GCS_Gulshan_303\",DATUM[\"D_Gulshan_303\",SPHEROID[\"Everest_Adjustment_1937\",6377276.345,300.8017]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",500000.0],PARAMETER[\"False_Northing\",-2000000.0],PARAMETER[\"Central_Meridian\",90.0],PARAMETER[\"Scale_Factor\",0.9996],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"Gulshan_303_Bangladesh_Transverse_Mercator\",BASEGEOGCRS[\"GCS_Gulshan_303\",DATUM[\"D_Gulshan_303\",ELLIPSOID[\"Everest_Adjustment_1937\",6377276.345,300.8017]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Transverse_Mercator\",METHOD[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",500000.0],PARAMETER[\"False_Northing\",-2000000.0],PARAMETER[\"Central_Meridian\",90.0],PARAMETER[\"Scale_Factor\",0.9996],PARAMETER[\"Latitude_Of_Origin\",0.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"9678\"]]",
  "description": "Gulshan 303 Bangladesh Transverse Mercator",
  "authority": "EPSG",
  "version": "10.009(12.8.0)",
  "deprecated": "no",
  "areaname": "Bangladesh - onshore",
  "extent": {
    "slat": 20.52,
    "nlat": 26.64,
    "llon": 88.01,
    "rlon": 92.67
  }
}