1. Download jstl.jar from
http://www.java2s.com/Code/Jar/JKL/Downloadjstljar.htm
2. Download standard.jar from
http://www.java2s.com/Code/Jar/JKL/Downloadstandardjar.htm
3. Extract and add the tlds in WEB-INF/lib folder by copy paste.
4. Edit Web.xml for all such tlds
<jsp-config>
<taglib>
<taglib-uri> /x </taglib-uri>
<taglib-location> /WEB-INF/lib/c.tld </taglib-location>
</taglib>
</jsp-config>
5. Now in the jsp file add
<%@ taglib prefix="c" uri="/x" %>
6. Start using tags
e.g. <C:out value="output this"> </c:out>