Redefining peace towards a just, non-violent and sustainable future of the world is the most needed at present time at the global level. The paper deals with the issue in the light of gender equality and criminal justice. It further incorporated the role of criminal justice delivery system and human rights implementations. Gender equality is at the very core of human rights and united nations values. The international perspective like Convention on elimination of all forms of discrimination against women (CEDAW), Beijing conference on women, UN women, security council resolution on women, peace and security as well as sustainable development goals are discussed. The constitutional and legal framework is taken into consideration along with role of information and communication technology, resilient and responsive institutions, innovations in peace and security and case laws in achieving the aim.