Best book for Indian Geography Upsc

Geography is an important part of General Studies Paper 1 in Upsc CSE. The geography part comes with questions from World and India Geography that also consists of Physical, Social, and Economic geography of World and India. Geography is also one of the most taken optional papers in the Upsc Mains. The Geography is divided … Read more

Best books for upsc preparation in English

Best books for upsc preparation in English

Indian Polity The book “Indian Polity”, 6th edition is a must-read for the aspirants appearing for the Civil Services examinations as well as the other State Services examinations. Indian Art and Culture This book offers comprehensive and latest information covering the broad field of knowledge on Indian art, paintings, music, and architecture for the aspirants … Read more


Biosphere is part of earth where we exist. It consists of highly integrated and interacting zone comprises of atmosphere, hydrosphere and lithosphere. Biosphsre is absent in extremes of the north and south poles, highest mountains and deepest oceans. As it is hostile conditions as they do not support life.

* * All the Notes in this blog, are referred from Tamil Nadu State Board Books and Samacheer Kalvi Books. Kindly check with the original Tamil Nadu state board books and Ncert Books.