The release of the ‘Bandi Singhs’—Sikh prisoners convicted in cases linked to Punjab’s militancy era—has returned to the political spotlight. At least 26 prisoners are believed to remain behind bars for decades, with Balwant Singh Rajoana’s case at the centre of the debate. Congress leader and former Punjab Chief Minister Beant Singh’s grandson has backed their release, while the Qaumi Insaaf Morcha continues to press for their freedom. Here’s a look at who the Bandi Singhs are and why their release remains contentious.