Mumbai, April 3: The National Stock Exchange on Tuesday said it has tied-up with the Colombo Stock Exchange (CSE) to explore opportunities to work together and co-operate with each other to foster a deeper and more strategic relationship."The MoU calls for cooperation on the exchange of information and expertise and also paves the way for NSE to play a consultative role in a number of strategic initiatives implemented by the CSE, including in the area of new product development and exchange operations," the stock exchange platform said in a statement.Vikram Limaye, Managing Director and Chief Executive Officer, NSE said: "Market eco-systems in South Asia have significant commonalities and collaboration between NSE and CSE could leverage NSE s experience in building robust markets to provide further impetus to the growth of Sri Lankan capital markets."