Angular JS: While adding new html content through controller the ng-click does not work

have been working on a project where using angular js Html content has to be appended to a div but the ng-click doesn't work using this approach.

https://www.google.com/url?rct=j&sa=t&url=https://groups.google.com/d/topic/angular/yEK-nLTlEkU&ct=ga&cd=CAIyGjkxYTc3YmVlM2M5OTBlMDU6Y29tOmVuOlVT&usg=AFQjCNGuynwEhzBz5lIFhSEy3hTSHB0xjg