Dynamic list for radiolisttile not working appropriately

hi,
I have multiple list to display in radiolisttile. Format of api
[ {
“id”: 1,
“name”: “name”,

    "list": [
        "abc",
        "def"
    ]
},

{
“id”: 2,
“name”: “name”
“list”: [
“ghi”,
“jul”
]
},

]

I had display this data of “list”: radiolisttile. When i click the data of first parent index, the data of second parent index. i.e, when i click abc radio button, ghi radio button is also click. Please help… Thanks in advance…