September is a month of 30 days but all of these are 31 days.

Remaining Tin all of these is alloys. But Tin is a pure metal.

All other except bronze are metals, while bronze is an alloy.

Remaining the Implement all other is synonyms. 

Except Friend all other showing the hatred towards.

Decadent is different because all other are the unit of time period

These all Nobel Prize winners are Indians, but Mother Teresa was not from Indian Origin.