![36th International Geological Congress, New Delhi](https://www.istampgallery.com/wp-content/uploads/2023/07/Amethyst.jpg)
March 20, 2022
36th International Geological Congress, New Delhi
Complete set of 2 nos. of commemorative postage stamps on the 36th International Geological Congress (IGC) based on Geosciences : The Basic Science for a Sustainable Future : Issued by India Issued on Mar 20, 2022 Issued for : Department of Posts is pleased
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