Physical geography
# Water in the Atmosphere – Saturation, Condensation, Classification of clouds and Precipitation
# Geographic phenomenon : Key Concepts and Issues – Some Geographical terms: Drought, Normal Monsoon, Positive Indian Ocean Dipole
# El Niño: A Global Weather Phenomenon – How does El Nino affect Indian Monsoon? La Nina, Southern Oscillation, El Niño–Southern Oscillation (ENSO).
Any initiative for geography optional?