Classification of Indian Drainage system

Duration: 3 min

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Module outline

  1. English Comprehension: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Reading Comprehension, Vocabulary, Idioms and Phrases, Narrative Sequencing, Critical Reasoning
  2. Reasoning and Aptitude: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Analogy, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Logical Sequence Of Words, Seating Arrangements, Puzzle Solving (Puzzles), Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Data Sufficiency, Selection Decision Table (Decision Making), Calendar, Clock, Cubes & Dices, Data Arrangement, Venn Diagram, Analytical Reasoning (Counting Figures Reasoning), Number System, HCF LCM, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Simple Interest and Compound Interest, Speed Time and Distance, Mensuration and Geometry, Arithmetic, Mixture and Alligation, Age Problems, Data Interpretation, Alphabet and Word Tests, Numerical Reasoning, Number System, Averages, Mixtures and Alligation, Percentages, Series Completion, Analogy and Classification, Patterns in Two-Dimensional Figures, Coding and Decoding, Mathematical Operations, Direction Sense, Logical Deduction and Induction, Simplification and Approximation, Assembling and Grouping of Shapes, Transformation of Shapes, Three-Dimensional Patterns and Visualization, Cubes and Dice, Algebra, Traverse Surveying, Clocks and Calendars, Order, Ranking and Sequence, Constraint Puzzles, Syllogisms and Venn Diagrams, Ratio and Proportion, Mensuration, Permutations and Combinations, Project Monitoring, Resources and Safety, Profit, Loss and Discount, Sequences and Series, Powers, Surds and Logarithms, Subject-Verb Agreement, Sentence Completion, Geometry, Probability, Trigonometry, Measurement and Quantity Take-Off, Statistics, Data Sufficiency, Blood Relations, Speed, Time and Distance, Time and Work, Data Interpretation, Sequence and Series (Series), Algebra, Permutation and Combination, Combinatorics
  3. General Awareness: Physics, Chemistry, Biology, Geography, History, Polity, Indian Economy
  4. Computer Fundamentals: Basics of COA, Number System, Number Representation, Semiconductor Memories and Programmable Logic, Timing, Hazards and Testing, Processor Organization and Instructions, Number Systems and Codes, Combinational Logic Design, Combinational Logic Circuits, Number Systems and Codes
  5. Operating System: Introduction to OS, Unix OS, Linux OS
  6. C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  7. OOPS with C++ & Java: OOPS with C++, Java
  8. Database Management System: Basics of DBMS, SQL
  9. MS Office: MS Office Applications
  10. Internet & Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a lecture on the classification of the Indian drainage system, structured around two primary bases. The first classification, detailed from 0:00 to 2:00, is based on the orientation of river discharge to the sea. It divides the system into the Arabian Sea Drainage System, which covers 23% of India's drainage area and includes rivers like the Indus, Narmada, and Tapi that flow westward, and the Bay of Bengal Drainage System, which covers 77% of the area and includes major rivers like the Ganga and Brahmaputra that flow eastward and form large deltas. The Delhi Ridge, Aravallis, and Sahyadris are identified as the water divide between these two systems. The second classification, shown from 2:00 to 2:40, is based on the size of the watershed. It categorizes river basins into three types: Major River Basins (catchment area > 20,000 sq. km), with 14 such basins including the Ganga and Brahmaputra; Medium River Basins (catchment area between 2,000-20,000 sq. km), with 44 basins including the Kalindi and Periyar; and Minor River Basins (catchment area < 2,000 sq. km), which are found in low rainfall areas.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The lecture begins by introducing the classification of the Indian drainage system on two main bases. The first base, 'Based on Discharge of Water (Orientation to Sea)', is presented. It details the Arabian Sea Drainage System, which covers 23% of India's drainage area and includes rivers such as the Indus, Narmada, Tapi, Mahi, and Periyar, all of which flow westward. The second system is the Bay of Bengal Drainage System, covering 77% of the area, with rivers like the Ganga, Brahmaputra, Mahanadi, Godavari, Krishna, and Kaveri flowing eastward and forming large deltas. The Delhi Ridge, Aravallis, and Sahyadris are identified as the water divide between these two systems. The instructor uses a diagram to illustrate the two drainage basins and circles key terms on the slide.

  2. 2:00 – 2:40 02:00-02:40

    The lecture transitions to the second classification of the Indian drainage system, 'Based on Size of Watershed'. This section categorizes river basins into three types. First, Major River Basins are defined as having a catchment area of more than 20,000 sq. km, with 14 such basins including the Ganga, Brahmaputra, Krishna, Narmada, Tapi, Mahi, Sabarmati, Pennar, and Barak. Second, Medium River Basins are those with a catchment area between 2,000 and 20,000 sq. km, totaling 44 basins, with examples like Kalindi, Periyar, and Meghna. Third, Minor River Basins are defined as having a catchment area of less than 2,000 sq. km and are found mainly in low rainfall areas. The instructor circles the key terms and numbers on the slide to emphasize the classification.

The video provides a comprehensive overview of the Indian drainage system by presenting two distinct classification methods. The first method, based on the direction of river flow, highlights the geographical and hydrological divide between the western-flowing Arabian Sea system and the eastern-flowing Bay of Bengal system, which is a fundamental concept in Indian geography. The second method, based on watershed size, offers a quantitative framework for understanding the scale of river basins, from the massive Ganga basin to the smaller, localized minor basins. Together, these classifications provide a holistic framework for studying India's river systems, combining physical geography with hydrological data.

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