The following are steps towards sustaining national unity except

The step towards sustaining national unity that does not fit is "discouraging inter-religious marriages." National unity is about bringing people from different backgrounds together to create a cohesive and harmonious society. Discouraging inter-religious marriages goes against this objective, as it implies that people should only marry within their own religion, which could lead to a divided society. On the other hand, emphasizing factors that unite a nation, respecting national symbols, and working towards achieving national objectives are essential steps towards sustaining national unity. Emphasizing commonalities among people and celebrating national symbols helps to create a shared sense of identity, while working towards national objectives promotes a sense of national purpose and common goals.