El Nino, La Nina & Indian Ocean Dipole is studied as part of "Climate of India" (Indian Geography) in Geography. India's climate is dominated by the monsoon — its onset, retreat and variability — which controls agriculture, water resources and the economy.

In the examination context, el nino, la nina & indian ocean dipole carries conceptual questions that test both factual recall and analytical understanding. Revise this topic in sequence with the rest of the chapter so that chronological and thematic links are clear.