[Solved]-Own back button for drilldown charts-Highcharts

Yes, it's possible. Just create your own button and after click call chart.drillUp() function. See docs.

Highcharts v5 and v6: In Highcharts 5 classes were added to every element on a chart, so we can simply hide the button: http://jsfiddle.net/BlackLabel/zzLuQ/87/

.highcharts-drillup-button {
  display: none;
}

Highcharts v4:

To disable default button, set text to empty string, see: http://jsfiddle.net/zzLuQ/

Highcharts.setOptions({
    lang: {
        drillUpText: ''
    }
});