----------------------- json 1 ---------------------------------------
{
  "semester_name": "Semester 3",
  "semester_id": 299,
  "semester_start_date": "2019-05-18",
  "semester_end_date": "2019-06-04",
  "student_details":[
    {
  "student_name": "Student 1",
  "student_id": 14500,
  "batch_id": 43,
  "subject_details": [
    {
      "subject_name": "Subject 1",
      "subject_id": 12,
      "score": 74
    },
    {
      "subject_name": "Subject 2",
      "subject_id": 14,
      "score": 88
    },
    {
      "subject_name": "Subject 3",
      "subject_id": 15,
      "score": 75
    },
    {
      "subject_name": "Subject 4",
      "subject_id": 5,
      "score": 85
    }
  ]
},{
  "student_name": "Student 2",
  "student_id": 14523,
  "batch_id": 44,
  "subject_details": [
    {
      "subject_name": "Subject 1",
      "subject_id": 12,
      "score": 83
    },
    {
      "subject_name": "Subject 2",
      "subject_id": 14,
      "score": 98
    },
    {
      "subject_name": "Subject 3",
      "subject_id": 15,
      "score": 68
    },
    {
      "subject_name": "Subject 4",
      "subject_id": 5,
      "score": 71
    }
  ]
},{
  "student_name": "Student 3",
  "student_id": 14524,
  "batch_id": 44,
  "subject_details": [
    {
      "subject_name": "Subject 1",
      "subject_id": 12,
      "score": 66
    },
    {
      "subject_name": "Subject 2",
      "subject_id": 14,
      "score": 44
    },
    {
      "subject_name": "Subject 4",
      "subject_id": 5,
      "score": 89
    },
    {
      "subject_name": "Subject 5",
      "subject_id": 16,
      "score": 81
    }
  ]
}
]
}



----------------------json 2----------------------------------------

{
  "semester_name": "Semester 4",
  "semester_id": 300,
  "semester_start_date": "2019-09-01",
  "semester_end_date": "2019-09-28",
  "student_details": [
    {
      "student_name": "Student 1",
      "student_id": 14500,
      "batch_id": 43,
      "subject_details": [
        {
          "subject_name": "Subject 1",
          "subject_id": 12,
          "score": 56
        },
        {
          "subject_name": "Subject 2",
          "subject_id": 14,
          "score": 58
        },
        {
          "subject_name": "Subject 3",
          "subject_id": 15,
          "score": 76
        },
        {
          "subject_name": "Subject 4",
          "subject_id": 5,
          "score": 64
        }
      ]
    },
    {
      "student_name": "Student 2",
      "student_id": 14523,
      "batch_id": 44,
      "subject_details": [
        {
          "subject_name": "Subject 1",
          "subject_id": 12,
          "score": 70
        },
        {
          "subject_name": "Subject 2",
          "subject_id": 14,
          "score": 85
        },
        {
          "subject_name": "Subject 3",
          "subject_id": 15,
          "score": 85
        },
        {
          "subject_name": "Subject 4",
          "subject_id": 5,
          "score": 79
        }
      ]
    },
    {
      "student_name": "Student 3",
      "student_id": 14524,
      "batch_id": 44,
      "subject_details": [
        {
          "subject_name": "Subject 1",
          "subject_id": 12,
          "score": 90
        },
        {
          "subject_name": "Subject 2",
          "subject_id": 14,
          "score": 76
        },
        {
          "subject_name": "Subject 4",
          "subject_id": 5,
          "score": 81
        },
        {
          "subject_name": "Subject 5",
          "subject_id": 16,
          "score": 87
        }
      ]
    }
  ]
}


------------------ json 3 ----------------------------

{
  "semester_name": "Semester 8",
  "semester_id": 307,
  "semester_start_date": "2019-12-01",
  "semester_end_date": "2019-12-28",
  "student_details": [
    {
      "student_name": "Student 1",
      "student_id": 14500,
      "batch_id": 43,
      "subject_details": [
        {
          "subject_name": "Subject 1",
          "subject_id": 12,
          "score": 65
        },
        {
          "subject_name": "Subject 2",
          "subject_id": 14,
          "score": 85
        },
        {
          "subject_name": "Subject 3",
          "subject_id": 15,
          "score": 67
        },
        {
          "subject_name": "Subject 4",
          "subject_id": 5,
          "score": 69
        }
      ]
    },
    {
      "student_name": "Student 2",
      "student_id": 14523,
      "batch_id": 44,
      "subject_details": [
        {
          "subject_name": "Subject 1",
          "subject_id": 12,
          "score": 79
        },
        {
          "subject_name": "Subject 2",
          "subject_id": 14,
          "score": 58
        },
        {
          "subject_name": "Subject 4",
          "subject_id": 5,
          "score": 75
        },
        {
          "subject_name": "Subject 5",
          "subject_id": 16,
          "score": 82
        }
      ]
    },
    {
      "student_name": "Student 3",
      "student_id": 14524,
      "batch_id": 44,
      "subject_details": [
        {
          "subject_name": "Subject 1",
          "subject_id": 12,
          "score": 76
        },
        {
          "subject_name": "Subject 2",
          "subject_id": 14,
          "score": 67
        },
        {
          "subject_name": "Subject 4",
          "subject_id": 5,
          "score": 81
        },
        {
          "subject_name": "Subject 5",
          "subject_id": 16,
          "score": 87
        }
      ]
    }
  ]
}