Explanation:

- Developing growth in a diverse country requires detailed planning.

- While growth is important, it's often the outcome of planning rather than the direct focus. This doesn't fit as well contextually.

- Developing scarcity in a diverse country requires detailed planning.

- Scarcity is usually something to avoid, not develop. It doesn't make sense in this context.

- Developing poverty in a diverse country requires detailed planning.

- Similar to scarcity, poverty is an undesirable state. Planning aims to reduce poverty, not develop it.

- Developing infrastructure in a diverse country requires detailed planning.

- Infrastructure encompasses essential services and facilities. It requires meticulous planning in diverse settings. This is a logical choice.

Developing infrastructure in a diverse country requires detailed planning.