Trying for nifty intraday but getting error.

I have been trying to place a BUY oder throug publisher button but I am facing error but for RELIANCE it is working fine.
Can someone please help me with the right format. What I am trying to do is
BUY 11600 CALL Option for 11th April expiry.
My format is --

Buy

<script src="https://kite.trade/publisher.js?v=3"></script>

<script>

KiteConnect.ready(function() {
    var kite = new KiteConnect("14tmno**********");


    // Add a Bracket Order
    kite.add({
        "tradingsymbol": "NIFTY11APR11600CE",
        "exchange": "NFO",
        "transaction_type": "BUY",
        "order_type": "MARKET",
        "product": "NRML",
        "quantity": 75,
        "readonly": false
    });

    // Register an (optional) callback.
    kite.finished(function(status, request_token) {
        alert("Finished. Status is " + status);
    });

    // Render the in-built button inside a given target
    kite.renderButton("#default-button");

    // OR, link the basket to any existing element you want
    kite.link("#custom-button");
});
</script>