CNN  —  For millions across India, a rigid caste system thousands of years old still dictates much of daily life – from social circles to dating pools to job opportunities and schooling. The Indian government has long insisted that the social hierarchy has no place in the world’s most populous nation, which banned caste discrimination in 1950. So, it came as a surprise when Prime Minister Narendra Modi’s administration announced that caste would be counted in the upcoming national census for