In ancient times Caste was determined by activity and type of work done. One could change work and status based on effort and training-education-skilling. Birth determining Caste was an abberation, yet many instances of change in Caste or duties is well illustrated in our Puraan.
Those who today put in the effort and obtain training, experience and skills cannot keep saying they belong to an inferior Caste. As Humans EVOLVE, so does perceived Caste. Modern times exhibit Profession as Caste of ancient times. Bharat needs to change mindset and understand that low Caste being called a Dalit is not a PERMANANT LABEL. Most have evolved thru self effort and upgraded themselves, often with a little help from State and Private facilities. However, some insist on looking backward to their earlier status as though it can be PERMANANT, probably hoping for more subsidies or political milage. A college kid cannot keep acting as though in fourth grade at school.
The reverse, that is devolution, is also possible, where some reduce their status by indulging in heinous activities. These will certainly devolve to lower Caste. They will lose Status in society and may even do time in Jail. They thereby, certainly lose their earlier upper status or Caste and society sees them as low status, avoided by most.
Bharat needs to continue providing facilities for those who strive to evolve and upgrade themselves without sticking to ancient labels which have no meaning today. Those who want to hang on to old labels must recognise the disservice they cause to the upgraded citizens and abandon their positions and labels of Caste. Failure means that old labels population will keep increasing due to new entrants who have devolved. This goes against laws of Nature. Unseemly competition among the so called Low Caste/Status persons will result in serious conflict for largess by Society and Government.
A Shudra becomes a Kshatriya by self effort and/or assistance from Govt or Society. Modern Society must then accept the new Status without trumpeting the previous Status for any reason. The only rule of Creation is to EVOLVE. JaiHind!