curl --request POST \
     --url https://api.sandbox.co.in/13 \
     --header 'Accept: application/json' \
     --header 'Content-Type: application/json' \
     --header 'x-api-version: 1.0' \
     --data '
{
     "Raw Body": {
          "supplyType": "O",
          "subSupplyType": "1",
          "subSupplyDesc": "",
          "docType": "INV",
          "docNo": "7001-8",
          "docDate": "15/12/2017",
          "fromGstin": "29AKLPM8755F1Z2",
          "fromTrdName": "welton",
          "fromAddr1": "2ND CROSS NO 59  19  A",
          "fromAddr2": "GROUND FLOOR OSBORNE ROAD",
          "fromPlace": "FRAZER TOWN",
          "fromPincode": 560090,
          "actFromStateCode": 29,
          "fromStateCode": 29,
          "toGstin": "02EHFPS5910D2Z0",
          "toTrdName": "sthuthya",
          "toAddr1": "Shree Nilaya",
          "toAddr2": "Dasarahosahalli",
          "toPlace": "Beml Nagar",
          "toPincode": 560090,
          "actToStateCode": 29,
          "toStateCode": 27,
          "transactionType": 4,
          "otherValue": "-100",
          "totalValue": 56099,
          "cgstValue": 0,
          "sgstValue": 0,
          "igstValue": 300.67,
          "cessValue": 400.56,
          "cessNonAdvolValue": 400,
          "totInvValue": 68358,
          "transporterId": "",
          "transporterName": "",
          "transDocNo": "",
          "transMode": "1",
          "transDistance": "100",
          "transDocDate": "",
          "vehicleNo": "PVC1234",
          "vehicleType": "R",
          "itemList": [
               {
                    "productName": "Wheat",
                    "productDesc": "Wheat",
                    "hsnCode": 1001,
                    "quantity": 4,
                    "qtyUnit": "BOX",
                    "cgstRate": 0,
                    "sgstRate": 0,
                    "igstRate": 3,
                    "cessRate": 3,
                    "cessNonadvol": 0,
                    "taxableAmount": 5609889
               }
          ]
}