In relation to the number of new aspirants each year the jobs available are microscopic. Of course, we need affirmative action. But surely we can be more inventive. We can do much more than reserve jobs. Today, no work is lowly if made profitable.
Humble barbers can become internationally renowned hairdressers.
Scavenging is considered the lowliest work. Now sewage disposal and recycling of waste is a big profitable industry in which private companies are muscling in. For centuries, balmikhis have been the scavengers in Indian society. Indian castes are vocation-based. Many of the vocations have become big business.