Q. Which river mainly forms the alluvial plain of Punjab?
Answer:
Indus River
Notes: Punjab's alluvial plain is shaped by the Indus River and its five tributaries: Jhelum, Chenab, Ravi, Beas, and Sutlej. The Ghaggar also affects the Malwa region. Key geographic areas are Majha (Beas-Ravi) and Doab (Sutlej-Beas).