Lagarde said even IMF did not exactly have any major focus on women-related issues earlier but it had to study it after it understood the importance.
"The next step that we will take now is that we will operationalise it. Whenever we go to a country to start a new programme, we will pay special attention to...The women in that country," she said.
Lagarde said "it is just no brainer that empowerment of women boosts economic growth, it raises per capita income and it helps reduce inequality."
Lagarde, however, urged women leaders from across the world who gathered here for the launch of W20 group to verify the delivery of all promises that are made to them.
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Lagarde said that education is the key driver for women empowerment.
On a lighter note, she quoted her friend and former US Secretary of State Madeleine Albright to say that the women must be "together" and "there should be a special place in hell for those women who do not help other women".
Turkish Prime Minister, earlier said at the event, that history would remember this initiative to launch W20 as an important event and it would be said one day that there would be no economic growth without participation by the women.
"If women are decision makers in families, why this can not be the case outside the homes also," he said.