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
49:06
climate of india | indian climate geography upsc | geography upsc | indian geography for upsc
26:31
भारत की मिट्टी (Soils of India) | Types of Soils | Indian Geography | Khan Sir | KGS SSC Exams
55:34
पर्वत निर्माण, (Orogenesis) विश्व के पर्वत IAS PCS Geography by Krishna Sir (23)
1:02:37
सूर्यातप || Insolation (solar radiation) world geography for #UPSC #insolation #worldgeography
2:34:22