Obverse
Same as Type 6.4.6 except RESERVE BANK OF INDIA in English deleted from top in reverse.
RBI Seal
Type 1 on reverse.
Language Panel
Type 5 on reverse.
Watermark
Ashoka Pillar on left. R/B/I in three lines in centre, bold 10 on right.
Dimensions
13.8 x 6.3 cm.
Note
- Urdu changed from RUPAYA to RUPAYE from Type 6.4.8.1 C
- Issued in parallel with Type 6.4.9
- The prefix got restricted to 20 alphabets for accounting purposes. Prefix I, J, O, X, Y, Z henceforth are not used from Type 6.4.8.4A.
- Dandy Roll or Wire Mesh used in the making of the watermark.
Inset ‘A’ appears as relief underprint within serial number panel.
Urdu Legend reads ‘RUPAYA’
Urdu Legend reads ‘RUPAYE’
Table
| Type No. | Signature | Inset | Prefix | Remark |
|---|---|---|---|---|
| 6.4.8.1 A | S. Jagannathan | H - Y | Released on 24th September 1970 | |
| 6.4.8.1 B | S. Jagannathan | A | A - R | Urdu in last line of language panel reads ‘RUPAYA’ Inset appears as relief under print within serial number |
| 6.4.8.1 C | S. Jagannathan | A | R - Y | Urdu in last line of language panel reads ‘RUPAYE’ |
| 6.4.8.1 D | S. Jagannathan | B | A, B | Released on 27th September 1975 |
| 6.4.8.2 | K.R. Puri | B | B - W | Released on 28th December 1975 |
| 6.4.8.3 A | M. Narasimham | B | W, X | Released on 31st August 1977 |
| 6.4.8.3 B | M. Narasimham | C | A - E | Released on 13th October 1977 |
| 6.4.8.4 A | I.G. Patel | C | F - W | Henceforth, prefix ‘J’ is discontinued |
| 6.4.8.4 B | I.G. Patel | D | A - S | Released on 9th July 1980 |
| 6.4.8.5 A | Manmohan Singh | D | S - W | Released on 3rd March 1983 |
| 6.4.8.5 B | Manmohan Singh | E | A - U | Released on 28th December 1983 |
| 6.4.8.6 | Amitabh Ghosh | E | V, W | Released on 29th January 1985 |
| 6.4.8.7 A | R.N. Malhotra | F | A - W | |
| 6.4.8.7 B | R.N. Malhotra | G | A - W |
