A Government by a king or a queen - Monarchy (राजशाही)
A Government by one - Autocracy (निरंकुशता)
A Government by the few - Oligarchy (कुलीनतंत्र)
A Government by the nobles - Aristocracy (कुलतंत्र)
A Government by the officials - Bureaucracy (नौकरशाही)
A Government by the people - Democracy (लोकतंत्र)
A Government by the rich - Plutocracy (धनिक तन्त्र)