17 July 2015
The 12th World MIning Congress, New Delhi 20.11.1984
The 100 P. stamp depicts the emblem of the 12th World MIning Congress was held at New Delhi from 19thNovember 1984. The First Day Cover shows drilling operations.
The stamp was issued to commemorate the fact that the World Mining Congress was being held in an Asian country for the first time.