K.P. Yohannan founded a substantial group of institutions, and considering his departure, the fate of these organizations may indeed be a topic of concern. The future leadership and management of these institutions will likely depend on the structures he put in place, the existing leadership teams, and any succession plans he may have implemented. However, without more specific information, it's challenging to predict precisely what will happen. It's indeed a matter that warrants thoughtful consideration and possibly further investigation to understand the potential outcomes.