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GEOLOGICAL SURVEY OF INDIA (GSI)
INTER CLOUD OR INTRA CLOUD (IC) LIGHTNING
PHREATOMAGMATIC ERUPTION (PE)
TANGIBLE CULTURAL HERITAGE
BIRTH ANNIVERSARY OF PROF. PRASANTA CHANDRA MAHALANOBIS
BANKIM CHANDRA CHATTOPADHYAY
WAR HISTORY- DECLASSIFICATION, COMPILATION AND PUBLICATION
HIMALAYAN MOUNTAIN RANGES
MARATHA KING’S CORONATION DAY
