How much unhappiness do puppet cities generate?

How much unhappiness do puppet cities generate, and how does that interact with India's bunus:

Double the Unhappiness from the number of Cities, but Halve the Unhappiness from Population size.

Related to How much unhappiness is generated from cities and citizens?

Solution 1:

Puppet cities cause the same amount of unhappiness as a city you build yourself. Only annexed cities (or cities in the process of being razed) have a different formula for unhappiness.

Sources: http://civilization.wikia.com/wiki/Happiness_%28Civ5%29#Unhappiness_Causes, http://www.carlsguides.com/strategy/civilization5/happiness.php, personal observations