[
  {
    "ds_id": "railway"
  },
  {
    "ds_id": "qrcode"
  },
  {
    "ds_id": "css"
  },
  {
    "ds_id": "htmlds1"
  },
  {
    "ds_id": "htmlds2"
  },
  {
    "ds_id": "jsds1"
  },
  {
    "ds_id": "jsds2"
  },
  {
    "ds_id": "android"
  },
  {
    "ds_id": "Encryptionds1"
  },
  {
    "ds_id": "encrycodeds2"
  },
  {
    "ds_id": "Binaryds"
  },
  {
    "ds_id": "networkds1"
  },
  {
    "ds_id": "networkds2"
  },
  {
    "ds_id": "schoolds1"
  },
  {
    "ds_id": "schoolds2"
  },
  {
    "ds_id": "schoolds3"
  },
  {
    "ds_id": "assemblyds1"
  },
  {
    "ds_id": "assemblyds2"
  },
  {
    "ds_id": "controlregds"
  },
  {
    "ds_id": "screendesign1"
  },
  {
    "ds_id": "arrayds1"
  },
  {
    "ds_id": "cmaster"
  },
  {
    "ds_id": "syscallds1"
  },
  {
    "ds_id": "jnids"
  },
  {
    "ds_id": "directoryds"
  },
  {
    "ds_id": "idds"
  },
  {
    "ds_id": "permissionds"
  },
  {
    "ds_id": "timingds"
  },
  {
    "ds_id": "maths"
  },
  {
    "ds_id": "ws_ds"
  },
  {
    "ds_id": "Query_ds"
  },
  {
    "ds_id": "trigger_ds1"
  },
  {
    "ds_id": "street_ds"
  },
  {
    "ds_id": "parserds"
  },
  {
    "ds_id": "conf_fileds"
  }
]