What disagreement causes varma to change his feelings toward rakesh?

Varma's change in feelings toward Rakesh is primarily triggered by a disagreement over their differing values and priorities. When Rakesh prioritizes personal ambition over collective responsibility, Varma feels betrayed and disillusioned. This conflict highlights a fundamental clash in their principles, leading Varma to reassess their relationship and ultimately distance himself from Rakesh. The disagreement serves as a catalyst for Varma's realization that their paths and beliefs are no longer aligned.