JSFiddle - React, Tailwind, and code Playground

JavaScript

var k = {
    "name": "Main Course",
        "items": [{
        "menuname": "Chinese",
            "id": "12",
            "menu": [{
            "name": "Noodles",
                "id": "1"
        }, {
            "name": "Rice",
                "id": "2"
        }, {
            "name": "Xinjiang Roast",
                "id": "3"
        }]
    }, {
        "menuname": "Indian",
            "id": "14",
            "menu": [{
            "name": "Rice",
                "id": "2"
        }, {
            "name": "Paratha",
                "id": "5"
        }, {
            "name": "Dal Fry",
                "id": "6"
        }]
    }]
};

k.items.forEach(function (val) {
    if (val.menuname === "Chinese" && val.id === "12") {
        for (var i = 0; i < val.menu.length; i++) {
            if (val.menu[i].name === "Rice" && val.menu[i].id === "2") {
                val.menu.splice(i, 1);
            }
        }
    }
});

console.log(k);