Tags: important key word for 6th Social Science, key notes for Major Land forms of the Earth Key Notes for 6th Social Science , Important Notes for 6th Social Science, Revision notes for 6th Social Science, Short notes for Major Land forms of the Earth, Chapter summary for 6th Social Science, Key points for CBSE, important notes for Major Land forms of the Earth, class 6 important keywords, Major Land forms of the Earth key notes, cbse key notes for class 6, 6th standard key notes for Social Science subject, key notes for Major Land forms of the Earth 6th standard, Notes for 6th standard Social Science, Major Land forms of the Earth important notes, short notes for Major Land forms of the Earth 6th Social Science, key points for Major Land forms of the Earth class 6th, 6th Standard Social Science Major Land forms of the Earth key points.