Which of the following statements are incorrect ? Choose your answer from the codes given below :
(a) Sri Aurobindo was a liberal thinker
(b) M. N. Roy enunciated Radical Humanism
(c) Jawaharlal Nehru was a crusader against imperialism
(d) J. P. Narayan promoted Marxist revolution
1
(a), (b), (c)
2
(a), (d)
3
(b), (c)
4
(a), (b), (d)