Notes (5), Rupees 20, “E-3”, Type 6.5.1, 3rd issue, Signed by S. Jagannathan, Prefix C/77 (R IPM # 6.5.1.1C), Rupees 10, “D-3”, Type 6.4.2, Signed by B. Rama Rau, Prefix M/83 (R IPM # 6.4.2.1), Rupees 5, “C-3”, Type 6.3.2, Signed by B. Rama Rau, Prefix Q