Posts Tagged ‘Geology’

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  Geology Optional Books

  Aug 1, 17 • 5092 Views • Books for UPSC • shalu singh • No Comments

  Geology Optional Books Geology a branch of Earth Sciences has risen as one of the most secure and scoring optional subject for the UPSC Civil Services Mains examination. This subject is  easy to understand, hence easy to crack. So, if the aspirants have