{"id":354816,"date":"2026-06-26T11:04:50","date_gmt":"2026-06-26T11:04:50","guid":{"rendered":"https:\/\/forumias.com\/blog\/uppsc\/?p=354816"},"modified":"2026-06-26T12:54:22","modified_gmt":"2026-06-26T12:54:22","slug":"uppsc-pyq-oriented-integrated-approach-geological-structure-of-india","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/uppsc\/uppsc-pyq-oriented-integrated-approach-geological-structure-of-india\/","title":{"rendered":"[UPPSC PYQ Oriented Integrated Approach] &#8211; GEOLOGICAL STRUCTURE OF INDIA"},"content":{"rendered":"<p><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/jM_vXev9q7Q?si=qZ5wnkTEDdqjHqme\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><br \/>\n<strong>Study Approach<\/strong><\/p>\n<p><strong>Start with the big picture: <\/strong>First understand the <strong>geological evolution of India<\/strong>. Follows a chronological sequence: <strong>Formation of the Indian Plate \u2192 Himalayan uplift \u2192 Development of the Indo-Gangetic Plain \u2192 Classification of Rock Systems \u2192 Economic and Geological Significance<\/strong>.<\/p>\n<p><strong>Study Block 1: Geological Evolution of India<\/strong><\/p>\n<p><strong>How to Read This Block<\/strong><\/p>\n<p>Begin with the major geological events that shaped India. Focus on <strong>plate movement<\/strong>, <strong>continental collision<\/strong>, and <strong>sediment deposition<\/strong> rather than memorizing dates.<\/p>\n<p><strong>What to Understand<\/strong><\/p>\n<ul>\n<li>Evolution of the Indian Plate<\/li>\n<li>Formation of the Himalayas<\/li>\n<li>Development of the Indo-Gangetic Plain<\/li>\n<li>Why geological history determines present-day landforms and mineral resources<\/li>\n<\/ul>\n<p><strong>Study Block 2: Classification of Rock Systems<\/strong><\/p>\n<p>Study the four rock systems in <strong>chronological order<\/strong>:<\/p>\n<p><strong>Archaean \u2192 Purana \u2192 Dravidian \u2192 Aryan<\/strong><\/p>\n<p><strong>How to Read This Block<\/strong><\/p>\n<p>For every rock system, use the same headings:<\/p>\n<ul>\n<li>Geological age<\/li>\n<li>Mode of formation<\/li>\n<li>Rock types<\/li>\n<li>Distribution<\/li>\n<li>Minerals<\/li>\n<li>Economic importance<\/li>\n<\/ul>\n<p><strong>What to Memorize<\/strong><\/p>\n<ul>\n<li>Geological sequence<\/li>\n<li>Major rock types<\/li>\n<li>Important mineral associations<\/li>\n<li>Major locations<\/li>\n<li>Geological eras<\/li>\n<\/ul>\n<p><strong>What to Understand<\/strong><\/p>\n<ul>\n<li>Difference between igneous, sedimentary, and metamorphic rocks.<\/li>\n<li>Why different minerals occur in different rock systems.<\/li>\n<li>Relationship between rock formation and India&#8217;s mineral wealth.<\/li>\n<\/ul>\n<p><strong>Study Block 3: Important Rock Systems<\/strong><\/p>\n<p>Study each separately:<\/p>\n<ul>\n<li>Archaean &amp; Dharwar<\/li>\n<li>Cuddapah<\/li>\n<li>Vindhyan<\/li>\n<li>Gondwana<\/li>\n<li>Deccan Trap<\/li>\n<li>Quaternary<\/li>\n<\/ul>\n<p><strong>Focus Areas<\/strong><\/p>\n<p>Link every rock system with:<\/p>\n<ul>\n<li>Characteristic rocks<\/li>\n<li>Minerals<\/li>\n<li>Fossils<\/li>\n<li>Agriculture<\/li>\n<li>Economic importance<\/li>\n<\/ul>\n<p>Examples:<\/p>\n<ul>\n<li><strong>Dharwar \u2192 Gold &amp; Iron<\/strong><\/li>\n<li><strong>Vindhyan \u2192 Diamonds<\/strong><\/li>\n<li><strong>Gondwana \u2192 Coal<\/strong><\/li>\n<li><strong>Deccan Trap \u2192 Black Soil<\/strong><\/li>\n<li><strong>Quaternary \u2192 Bangar, Khadar, Karewas<\/strong><\/li>\n<\/ul>\n<p><strong>Study Block 4: Special Geological Concepts<\/strong><\/p>\n<p>Study:<\/p>\n<ul>\n<li>Marine Transgression<\/li>\n<li>Karewas<\/li>\n<li>Meghalayan Age<\/li>\n<\/ul>\n<p>Understand <strong>how<\/strong> these processes occurred and <strong>why<\/strong> they are significant for Indian geography and geology.<\/p>\n<p><strong>Diagram-Based Preparation<\/strong><\/p>\n<p>Practice these diagrams repeatedly:<\/p>\n<ol>\n<li>Geological timeline:<br \/>\n<strong>Archaean \u2192 Purana \u2192 Dravidian \u2192 Aryan<\/strong><\/li>\n<li>Geological evolution flowchart:<br \/>\n<strong>Gondwanaland \u2192 Plate Movement \u2192 Himalayan Collision \u2192 Indo-Gangetic Plain<\/strong><\/li>\n<li>India&#8217;s geological map showing:\n<ul>\n<li>Dharwar Belt<\/li>\n<li>Vindhyan Basin<\/li>\n<li>Gondwana Basins<\/li>\n<li>Deccan Trap<\/li>\n<li>Quaternary Deposits<\/li>\n<\/ul>\n<\/li>\n<li>Flowchart:<br \/>\n<strong>Rock System \u2192 Rock Type \u2192 Minerals \u2192 Economic Importance<\/strong><\/li>\n<\/ol>\n<p><strong>Important for Prelims <\/strong><\/p>\n<ul>\n<li>Order of rock systems<\/li>\n<li>Geological eras<\/li>\n<li>Dharwar minerals<\/li>\n<li>Vindhyan diamonds<\/li>\n<li>Gondwana coalfields<\/li>\n<li>Deccan Trap<\/li>\n<li>Bangar, Khadar, Karewas<\/li>\n<li>Marine Transgression<\/li>\n<li>Meghalayan Age<\/li>\n<li>Important fossil associations<\/li>\n<\/ul>\n<p><strong>Important for Mains <\/strong><\/p>\n<ul>\n<li>Geological evolution of India<\/li>\n<li>Classification and significance of rock systems<\/li>\n<li>Relationship between geology and mineral distribution<\/li>\n<li>Geological controls on agriculture and soils<\/li>\n<li>Economic importance of rock systems<\/li>\n<li>Plate tectonics and Himalayan formation<\/li>\n<\/ul>\n<h1 style=\"text-align: center;\"><strong>GEOLOGICAL STRUCTURE OF INDIA<\/strong><\/h1>\n<table style=\"width: 100%; border-collapse: collapse; border-style: solid; height: 144px;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 100%; height: 24px;\"><a href=\"#t1\">ARCHAEAN ROCK SYSTEM<\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 100%; height: 24px;\"><a href=\"#t2\">PURANA ROCK SYSTEM<\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 100%; height: 24px;\"><a href=\"#t3\">DRAVIDIAN ROCK SYSTEM<\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 100%; height: 24px;\"><a href=\"#t4\">ARYAN ROCK SYSTEM<\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 100%; height: 24px;\"><a href=\"#t5\">QUATERNARY ROCK SYSTEM<\/a><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 100%; height: 24px;\"><a href=\"#t6\">MARINE TRANSGRESSION AND MEGHALAYAN AGE<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>India&#8217;s <strong>geological evolution<\/strong> has been shaped by three major events. The <strong>Indian Plate<\/strong>, originally part of the ancient <strong>Gondwanaland<\/strong>, drifted northward and eventually collided with the <strong>Eurasian Plate<\/strong> during the <strong>Tertiary Period<\/strong>, leading to the upliftment of the <strong>Himalayas<\/strong>. Later, during the <strong>Pleistocene Epoch<\/strong>, the <strong>Indo-Gangetic Plain<\/strong> was formed through the continuous deposition of sediments by the <strong>Ganga, Brahmaputra<\/strong>, and their tributaries, a process that continues even today.<\/p>\n<div id=\"attachment_354819\" style=\"width: 910px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-354819\" class=\"wp-image-354819\" src=\"https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Rock-system-300x200.png\" alt=\"Division of Rock System\" width=\"900\" height=\"600\" srcset=\"https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Rock-system-300x200.png 300w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Rock-system-1024x683.png 1024w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Rock-system-768x512.png 768w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Rock-system.png 1536w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><p id=\"caption-attachment-354819\" class=\"wp-caption-text\">Created by ForumIAS<\/p><\/div>\n<h2><strong><a id=\"t1\"><\/a>ARCHAEAN ROCK SYSTEM<\/strong><\/h2>\n<p>The <strong>Archaean Rock System<\/strong>, a term coined by <strong>J.D. Dana<\/strong>, represents the oldest rocks of the Earth&#8217;s crust. Formed during the <strong>Pre-Cambrian Era<\/strong> through the cooling of the primitive crust, these rocks form the foundation of the <strong>Indian Craton<\/strong>. They mainly consist of <strong>granites, gneisses, schists, quartzites, and crystalline metamorphic rocks<\/strong> and are widely distributed across southern, central, and eastern India.<\/p>\n<p><strong>This system consists of two major subdivisions:<\/strong><\/p>\n<ol>\n<li><strong> Archaean Gneiss and Schist System<\/strong> \u2013 Dominated by <strong>granites<\/strong> and <strong>gneisses<\/strong>, forming the oldest exposed rocks of India.<\/li>\n<li><strong> Dharwar Rock System<\/strong> \u2013 Represents some of the earliest sedimentary formations that later underwent metamorphism.<\/li>\n<\/ol>\n<div id=\"attachment_354826\" style=\"width: 514px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-354826\" class=\"wp-image-354826\" src=\"https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Archaean-ROCK-system-1-252x300.png\" alt=\"Archaean Rock System\" width=\"504\" height=\"600\" srcset=\"https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Archaean-ROCK-system-1-252x300.png 252w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Archaean-ROCK-system-1-859x1024.png 859w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Archaean-ROCK-system-1-768x915.png 768w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/Archaean-ROCK-system-1.png 1149w\" sizes=\"auto, (max-width: 504px) 100vw, 504px\" \/><p id=\"caption-attachment-354826\" class=\"wp-caption-text\">Created by ForumIAS<\/p><\/div>\n<h2><strong><a id=\"t2\"><\/a>PURANA ROCK SYSTEM<\/strong><\/h2>\n<p>The <strong>Purana Rock System<\/strong> comprises the <strong>Cuddapah<\/strong> and <strong>Vindhyan Rock Systems<\/strong>, which were formed approximately between <strong>1400 and 600 million years ago<\/strong>. These rocks are primarily <strong>sedimentary in origin<\/strong> and were formed through the erosion, transportation, and deposition of Archaean and Dharwar rocks. Common rock types include <strong>sandstone, limestone, shale, slate, quartzite, and clay deposits<\/strong>.<\/p>\n<p><strong>Cuddapah Rock System<\/strong><\/p>\n<ul>\n<li>The Cuddapah Rock System derives its name from the <strong>Kadapa (Cuddapah) district of Andhra Pradesh<\/strong>, where these rocks are extensively exposed.<\/li>\n<li>These rocks are also found in <strong>Andhra Pradesh, southern Chhattisgarh, Odisha, Rajasthan, Delhi, and along parts of the Aravalli Range<\/strong>.<\/li>\n<li>They consist mainly of <strong>shale, slate, quartzite, limestone, and other sedimentary formations<\/strong>.<\/li>\n<li>Many economically useful minerals and construction materials are obtained from these rocks.<\/li>\n<li>Sedimentary deposits accumulated in large <strong>synclinal basins<\/strong> led to the formation of this rock system.<\/li>\n<\/ul>\n<p><strong>Vindhyan Rock System<\/strong><\/p>\n<ul>\n<li>Named after the <strong>Vindhya Mountain Range<\/strong>, this system consists of thick layers of ancient sedimentary rocks deposited over the Archaean basement.<\/li>\n<li>The Vindhyan formations are estimated to be nearly <strong>4,000 metres thick<\/strong>.<\/li>\n<li>These rocks are extensively distributed across <strong>Madhya Pradesh, Uttar Pradesh, Rajasthan, and Bihar<\/strong>.<\/li>\n<li>The Vindhyan system contains important <strong>diamond-bearing regions<\/strong>, including <strong>Panna<\/strong> and the historic <strong>Golconda diamond belt<\/strong>.<\/li>\n<li>Fossil evidence of primitive microorganisms has also been reported from these formations.<\/li>\n<li>Although poor in metallic minerals, Vindhyan rocks provide abundant <strong>ornamental stones, building stones, sandstone, and limestone<\/strong>.<\/li>\n<\/ul>\n<h2><strong><a id=\"t3\"><\/a>DRAVIDIAN ROCK SYSTEM<\/strong><\/h2>\n<p>The <strong>Dravidian Rock System<\/strong>, also known as the <strong>Palaeozoic Rock Formation<\/strong>, developed during the <strong>Palaeozoic Era (600\u2013300 million years ago)<\/strong>. It is often called the <strong>Carboniferous Rock System<\/strong> due to extensive coal formation during this period. These rocks occur mainly in the <strong>Extra-Peninsular Himalayas<\/strong> and limited parts of the <strong>Peninsular Shield<\/strong>. They contain abundant fossils of <strong>corals, trilobites, brachiopods, and other marine organisms<\/strong>, reflecting the expansion of early life on Earth.<\/p>\n<p>Although coal formation began during this period, economically significant coal deposits in India are mainly associated with later <strong>Gondwana formations<\/strong>.<\/p>\n<p>The term <strong>\u2018Dravidian\u2019<\/strong> does not imply that these rocks are confined to South India; it is purely a geological classification.<\/p>\n<h2><strong><a id=\"t4\"><\/a>ARYAN ROCK SYSTEM<\/strong><\/h2>\n<p>The <strong>Aryan Rock System<\/strong> represents the youngest major geological formations of India and includes rocks formed after the Carboniferous Period. These rocks belong to the <strong>Upper Palaeozoic, Mesozoic, Cenozoic, and Quaternary Eras<\/strong>.<\/p>\n<p><strong>The Aryan Rock System is classified as follows:<\/strong><\/p>\n<p>\u25cb <strong>Upper Palaeozoic Era<\/strong> \u2013 Upper Carboniferous formations<\/p>\n<p>\u25cb <strong>Mesozoic Era<\/strong> \u2013 Gondwana Rock System, Jurassic System, and Deccan Trap Formation<\/p>\n<p>\u25cb <strong>Cenozoic Era<\/strong> \u2013 Eocene, Oligocene, Miocene, and Pliocene Periods<\/p>\n<p>\u25cb <strong>Neozoic (Quaternary) Era<\/strong> \u2013 Pleistocene and Holocene Epochs<\/p>\n<p><strong>GONDWANA ROCK SYSTEM<\/strong><\/p>\n<ul>\n<li>The <strong>Gondwana Rocks<\/strong> were formed during the <strong>Mesozoic Era<\/strong> and are among the most economically important rock formations of India.<\/li>\n<li>They contain nearly <strong>98% of India&#8217;s coal reserves<\/strong>.<\/li>\n<li>Major coalfields associated with Gondwana formations include <strong>Jharia, Raniganj, Bokaro, Talcher, Korba, Singrauli, and Wardha Valley<\/strong>.<\/li>\n<li>Fossil plants such as <strong>Glossopteris<\/strong> are characteristic of Gondwana deposits and provide evidence for the existence of Gondwanaland.<\/li>\n<\/ul>\n<p><strong>DECCAN TRAP FORMATION<\/strong><\/p>\n<ul>\n<li>The <strong>Deccan Trap<\/strong> was formed due to massive volcanic eruptions around <strong>66 million years ago<\/strong>.<\/li>\n<li>It is one of the largest volcanic provinces in the world and covers extensive areas of <strong>Maharashtra, Madhya Pradesh, Gujarat, Karnataka, Telangana, and parts of Andhra Pradesh<\/strong>.<\/li>\n<li>The rocks are mainly composed of <strong>basaltic lava flows<\/strong> arranged in step-like structures, giving rise to the term <strong>&#8220;Trap&#8221;<\/strong>, derived from the Swedish word meaning staircase.<\/li>\n<li>Weathering of these basaltic rocks has led to the formation of fertile <strong>Black Cotton Soil (Regur Soil)<\/strong>.<\/li>\n<\/ul>\n<h2><strong><a id=\"t5\"><\/a>QUATERNARY ROCK SYSTEM<\/strong><\/h2>\n<p>The <strong>Quaternary Rock System<\/strong> includes the most recent geological deposits formed during the <strong>Pleistocene<\/strong> and <strong>Holocene Epochs<\/strong>. These deposits are mainly unconsolidated sediments laid down by rivers, glaciers, winds, and marine processes.<\/p>\n<p>Important depositional features of this period include:<\/p>\n<p>\u25cb <strong>Bangar<\/strong> \u2013 Older alluvial deposits occurring above flood levels.<\/p>\n<p>\u25cb <strong>Khadar<\/strong> \u2013 Newer alluvial deposits replenished annually by floods.<\/p>\n<p>\u25cb <strong>Karewas<\/strong> \u2013 Lacustrine deposits formed in the <strong>Kashmir Valley<\/strong> due to continuous sediment accumulation.<\/p>\n<p>Karewas are particularly important because they support the cultivation of <strong>saffron, almonds, walnuts, and other temperate crops<\/strong>.<\/p>\n<p>Significant Quaternary deposits are also found in the <strong>Thar Desert<\/strong>, <strong>Indo-Gangetic Plain<\/strong>, and <strong>Rann of Kutch<\/strong>. The present form of the <strong>Rann of Kutch<\/strong> developed as marine areas were gradually filled with sediments during this period.<\/p>\n<h2><strong><a id=\"t6\"><\/a>MARINE TRANSGRESSION AND <\/strong><strong>MEGHALAYAN AGE<\/strong><\/h2>\n<h3><strong>MARINE TRANSGRESSION<\/strong><\/h3>\n<ul>\n<li><strong>Marine Transgression<\/strong> refers to a geological event in which sea level rises relative to land, causing the shoreline to move inland.<\/li>\n<li>It may occur due to <strong>subsidence of land<\/strong>, <strong>rise in global sea level<\/strong>, or <strong>reduction in the capacity of ocean basins<\/strong>.<\/li>\n<li>Such events often result in coastal flooding and extensive marine sediment deposition.<\/li>\n<\/ul>\n<h3><strong>MEGHALAYAN AGE<\/strong><\/h3>\n<p>The <strong>Meghalayan Age<\/strong> is the latest subdivision of the <strong>Holocene Epoch<\/strong>, beginning about <strong>4,200 years ago<\/strong> after a major global climatic event marked by prolonged drought. This climate change is believed to have contributed to the decline of several ancient civilizations, including those in <strong>Egypt, Mesopotamia, the Indus Valley, and the Yangtze River Basin<\/strong>.<\/p>\n<div id=\"attachment_354817\" style=\"width: 910px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-354817\" class=\"wp-image-354817\" src=\"https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/MEGHALAYAN-AGE-300x200.png\" alt=\"Meghalayan Age \" width=\"900\" height=\"600\" srcset=\"https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/MEGHALAYAN-AGE-300x200.png 300w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/MEGHALAYAN-AGE-1024x683.png 1024w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/MEGHALAYAN-AGE-768x512.png 768w, https:\/\/forumias.com\/blog\/uppsc\/wp-content\/uploads\/2026\/06\/MEGHALAYAN-AGE.png 1536w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><p id=\"caption-attachment-354817\" class=\"wp-caption-text\">Created by ForumIAS<\/p><\/div>\n<p><strong>Prelims Questions<\/strong><\/p>\n<p><strong>Q.1)<\/strong> Which of the following rock systems in India is the latest one?<\/p>\n<ol>\n<li>a) Vindhyan<\/li>\n<li>b) Cuddapah<\/li>\n<li>c) Dharwar<\/li>\n<li><strong>d) Gondwana <\/strong><\/li>\n<\/ol>\n<p><strong>U.P.P.C.S. (Pre) 2016 <\/strong><\/p>\n<p><strong>Expected Mains Questions<\/strong><\/p>\n<p><strong>Q.1)<\/strong> Discuss the characteristics and economic significance of the Archaean Rock System in India.<\/p>\n<p><strong>Q.2)<\/strong> Describe the origin and geographical significance of the Deccan Trap Formation.<\/p>\n<p><strong>Q.3)<\/strong> Examine the role of marine transgression and sedimentation in the geological evolution of India.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ufeff Study Approach Start with the big picture: First understand the geological evolution of India. Follows a chronological sequence: Formation of the Indian Plate \u2192 Himalayan uplift \u2192 Development of the Indo-Gangetic Plain \u2192 Classification of Rock Systems \u2192 Economic and Geological Significance. Study Block 1: Geological Evolution of India How to Read This Block [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[17],"tags":[],"class_list":["post-354816","post","type-post","status-publish","format-standard","hentry","category-integrated-uppsc-pyqs-prelims-cum-mains"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[UPPSC PYQ Oriented Integrated Approach] - GEOLOGICAL STRUCTURE OF INDIA - ForumIAS UPPSC<\/title>\n<meta name=\"description\" content=\"Study Approach Start with the big picture: First understand the geological evolution of India. 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