soil मृदा || composition of soil || world geography for upsc and state pcs by krishna sir
45:59
ओजोन क्षरण || ozone layer depletion, #UPSC #worldgeography #ozonedeplition
44:10
soil formation (pedogenesis) Factors affecting soil formation || world geography for upsc & pcs
20:48
Origin of universe ब्रह्मांड की उत्पत्ति Big Bang Theory, IAS PCS Geography Lecture 1 by krishna sir
44:46
Volcano Landforms, ज्वालामुखी भू-आकृतियाँ, World geography for upsc
1:34:46
REAL NUMBERS (वास्तविक संख्याएँ ) -One Shot By AYUSH Sir #10thclassmathschapter1
24:18
बिहार की मिट्टी / Soil Of Bihar
44:44
geological structure of india (भारत की भूवैज्ञानिक संरचना) || rock system of india #upsc
59:29