P. Krishnaveni, an 81-year old retired school teacher, remembers how her village in Theni district in Tamil Nadu was stratified 70 years ago. Each caste had its own street. Scheduled Castes (SCs) lived away from the village and each street…

P. Krishnaveni, an 81-year old retired school teacher, remembers how her village in Theni district in Tamil Nadu was stratified 70 years ago. Each caste had its own street. Scheduled Castes (SCs) lived away from the village and each street…