Drainage

Key topics in Drainage include Mind map showing the two major river systems and factors influencing their evolution, Flowchart showing the process of Indobrahma river dismemberment into present-day systems, Flowchart showing major criticisms of the Indobrahma Theory. These are the concepts ICSE Class 12 examiners draw on most — study them first, then practise related questions.

Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.