Caste can be a daunting problem for mission agencies in India. India is a collage of different social groups. And then there are those underneath - the untouchables. Their presence is often not tolerated and they are despised in society. But caste is only one of the dividing factors in Indian society.
Race is also a factor.
In most aspects, caste is more Indian than Hindu, reaching across religious barriers. The caste system is more Indian than Hindu. The idea of caste impacts and divides Muslims, Hindus, Christians and Sikhs from each other today. Christian outreaches and missions in India, though, have a daunting task in dealing with the caste system. Used under License.