Collaborations in theatre, heritage and archaeology are some of the aspects of a cultural treaty signed between India and Senegal Monday.The two countries signed the Executive Programme for Cultural Cooperation for 2013-2015. The agreement was signed by Culture Minister Chandresh Kumari Katoch and Adboul Aziz Mbaye, minister of culture of Senegal.It is valid for three years and envisages organising a cultural week featuring on the cultures of both the countries.