Issued to mark the 25th anniversary of Indian independence, this was part of a broader commemorative program the Reserve Bank ran through the 1970s. The .500 silver content reflects a compromise already in decline — India had moved away from higher-purity silver coinage years earlier, and this series would be among the last to use silver at all before the commemorative program shifted entirely to base metal.
Issued to mark the 25th anniversary of Indian independence, this was part of a broader commemorative program the Reserve Bank ran through the 1970s. The .500 silver content reflects a compromise already in decline — India had moved away from higher-purity silver coinage years earlier, and this series would be among the last to use silver at all before the commemorative program shifted entirely to base metal.