Key Details of the 1968 Stamp:
- Issuing Country: India.
- Date of Issue: December 1, 1968.
- Theme: 21st International Geographical Congress, New Delhi.
- Denomination: 20 Paise.
- Design: Features a global map and the official emblem of the 21st Congress.
- Significance: Marked the first time the IGU congress was held in Asia.
- Collectibles: Available as single stamps, blocks of 4, and on First Day Covers (FDC).



