Who started the Individual Civil Disobedience?
The main idea is really simple. In Individual Satyagraha (1940), who started the Individual Civil Disobedience is always linked with Vinoba Bhave. That is the point the question is checking. Once you know this link, you will feel confident. It is one of those questions that rewards simple revision.
Ref: [44th BPSC (Pre) 2000 UPPCS (Mains) 2007] | Bipan Chandra, India's Struggle for Independence, and NCERT History textbooks discuss Individual Satyagraha (1940) and explain the events, leaders and movements that support the correct answer for this question.