M .K. Gandhi, Umesh Chandra Bandhopadhyay, Jatin Das and Surya Sen

As we know that ,
MK Gandhi, Umesh Chandra Bandopadhyay, Jatin Das and Surya Sen, are different persons.
From above it is clear that option ( B ) represents the best relationship between M .K. Gandhi, Umesh Chandra Bandhopadhyay, Jatin Das and Surya Sen. As shown in given venn - diagram .