Figure 18: NSICON 1968 at Kolkata; Dr. R.N. Roy (seated fourth row second from left), Dr. Durgadas Roy Chowdhury (seated, fourth row, third from left), and Dr. N.N. Sarangi (seated, fourth row, fifth from left)
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Figure 18: NSICON 1968 at Kolkata; Dr. R.N. Roy (seated fourth row second from left), Dr. Durgadas Roy Chowdhury (seated, fourth row, third from left), and Dr. N.N. Sarangi (seated, fourth row, fifth from left)
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