2017GeographyGS Paper IWhich of the following rock systems provides over 90% of the coal of India?A.Vindhyan systemB.Dharwar systemC.Tertiary systemD.Gondwana systemView SolutionSelect an option to check your answer
Which of the following rock systems provides over 90% of the coal of India?A.Vindhyan systemB.Dharwar systemC.Tertiary systemD.Gondwana system
