1
Dr. Sunita Tripathi
Head, Dept. of Education, K. B. Post Graduate College, Mirzapur, U.P. India
IUCN
(International union for conservation of
nature) UNEP
Vol. 03, Issue 12,December 2018 Available Online: www.ajeee.co.in/index.php/AJEEE
2
(Renewable) (Non-
renewable)
(BSI)
(ZIS)
3
Central Arid
Zone Research Institute
Vol. 03, Issue 12,December 2018 Available Online: www.ajeee.co.in/index.php/AJEEE