<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!--Created by ADD, Powered by IRIS Carbon-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="48510000SWQEL0UUUJ73-2020-12-31.xsd#iekg_ReservesForTreasurySharesMember" xlink:label="ReservesForTreasurySharesMember" xlink:title="ReservesForTreasurySharesMember" />
    <link:label xlink:type="resource" xlink:label="label_ReservesForTreasurySharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ReservesForTreasurySharesMember" xml:lang="sl" id="label_ReservesForTreasurySharesMember">This member stands for a component of equity representing reserves for treasury shares.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReservesForTreasurySharesMember" xlink:to="label_ReservesForTreasurySharesMember" xlink:title="Label : ReservesForTreasurySharesMember to label_ReservesForTreasurySharesMember" />
  </link:labelLink>
</link:linkbase>