We have some machines which are still running IE 9 and we cannot install newer version of IE because of compatibility issues with some old softwares.
I have built an asp.net web app which is using Bootstrap css.
To make it compatible with IE9 browser, I have put
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE9" />
The web app works absolutely fine on Chrome and Firefox.
Please let me know if someone has faced similar problem and a resolution.