More than 20 students of Delhi Public School (DPS) Dwarka are allegedly not being allowed inside their classrooms since school resumed after summer vacation on July 1. Parents claimed the action followed their refusal to pay the revised fee, which they say was increased “without following Directorate of Education (DoE) norms”. They alleged their children are being “segregated” and their names have been struck off from the rolls. Several parents who The Indian Express spoke to claimed the “segregation” is being experienced by their children studying in secondary school and…