A brutal 1978 Delhi crime, the Ranga-Billa case, saw siblings Geeta and Sanjay Chopra tragically murdered after accepting a lift. Their deaths, marked by horrific violence, shocked India and spurred a meticulous investigation. Using early forensic techniques, police secured convictions, leading to the culprits' execution. This case profoundly impacted child safety awareness and forensic science in India, a legacy now revisited by the series 'Raakh'.