challenge: What geographical challenges does India face, according to the context of Shiba P. Chatterjee's works?
  
  A. Rapid urbanization, population growth, and economic inequality
  B. Regional disparities, transportation infrastructure development, and natural disasters
  C. Rapid urbanization, regional disparities, transportation infrastructure development, and sustainable resource management
  D. Rapid urbanization, regional disparities, and climate change
  Answer: 