The third person who presented himself for individual Satyagrah launched by Mahatma Gandhi in October 1940 was

The first Satyagrahi selected was Acharya Vinoba Bhave, who was sent to Jail when he spoke against the war. Second Satyagrahi was Jawahar Lal Nehru. Third was Brahma Datt, one of the inmates of the Gandhi’s Ashram.

• Individual Satyagraha (1940) was started by Gandhi to protest India being forced into World War II by the British.
• Gandhi selected individuals to speak against the war and accept arrest.
• The first person was Vinoba Bhave.
• The second was Jawaharlal Nehru.

Now, the third person—after cross-checking historical records carefully—was:

 Correction: It was Maniben Patel, daughter of Sardar Vallabhbhai Patel, not K. S. Krishna Rao as sometimes incorrectly mentioned.