धरती पर `नर्क` की ज़ुबानी, आज़ादी की लड़ाई का `काला-पानी`

Cellular Jail, famously known as Kala Pani, was a colonial prison used by Britishers to imprison political prisoners. The jail still narrates the horrific stories of brutalities done by Britishers on freedom fighters. Watch to know more.