As per indian diplomacy, There is no any formal document, definition or criteria for strategic relationship. However long term interaction based on political, economic, defence, technology and historical factors with any country has a scope of it.

The area which is left ou...

An Alliance is a relationship based on formal documentation and a Treaty is a sort of relationship which based on obligatory document for both/all signatories.

Bilateral relationship is generally has economic purpose. They may be exchange different product like electricity, general commodities, or any defence equipment but purpose will be economic benefit of both countries only.

If this kind of relationship is appear between more...