Finance Minister Nirmala Sitharaman on Friday underlined the need for strengthening multilateral development banks (MDBs) like the World Bank and the Asian Development Bank to address trans-boundary challenges. "During the session on ‘Strengthening International Cooperation for Sustainable & Inclusive Growth’, FM Smt. @nsitharaman appreciated the strong cooperation between #G20India & #JapanG7 Presidencies in challenging times to facilitate complementarity of efforts & outcomes," a finance ministry tweet said.