With the Supreme Court questioning the delay in Beant Singh assassination convict Balwant Singh Rajoana's execution, the issue of Bandi Singhs is back in focus. Bandi Singhs or Bandi Sikhs are Sikh prisoners convicted for their involvement in militant activities during the 1980s and 1990s. Most were convicted under the Terrorist and Disruptive Activities (Prevention) Act and other IPC offences.