INDIA :  An interesting post colonial history and even before that time see: 

https://www.youtube.com/watch?v=uU3eqP-nxu8

 

Find out more from the  BBC links 

 http://www.bbc.co.uk/news/world/asia

 

http://www.bbc.co.uk/programmes/b007xwdc/episodes/guide

 

 

and a TABLOID  article about the caste system in Indian society in contemporary times: 

 

http://www.dailymail.co.uk/news/article-3217327/