Much of the northern and central parts of the subcontinent was ruled by the so-called Slave Dynasty of Turkic origin from 1206 to 1290: Qutb-ud-din Aybak, a slave of Muhammad Ghori rose to power following his master's death.
There are several million bonded laborers in India,[REF] who work as slaves to pay off debts; a majority of them are Dalits [REF].