- "The arrangement was simple, though the surgical procedure upon which it was based was fiendishly complex. A clone was grown from a customer's somatic cell, gestated in a uterine replicator and then raised to physical maturity in Bharaputra's crèche, a sort of astonishingly-appointed orphanage. The clones were valuable, after all, their physical conditioning and health of supreme importance. Then, when the time was right, they were cannibalized. In an operation that claimed a total success rate of rather less than one hundred percent, the clone's progenitor's brain was transplanted from its aged or damaged body into a duplicate still in the first bloom of youth. The clone's brain was classified as medical waste."
- ―Bharaputra's immortality business[src]
House Bharaputra's official business was immortality. To that end, they grew clones of customers to physical adulthood using growth-enhancing drugs to speed the process up (so that it took about ten to twelve years to produce an adult-sized clone). Then, when the clone was full-grown, the customer's brain was transplanted into the clone's body.
Many books mention the clone business. Detailed information can be found in: