Why has Vishal’s case remained unsolved for so many decades? Suchin takes a step back from the investigation to look at the bigger picture. What has brought his family to this point? And what’s really going on?

If you have been affected by child sexual abuse, help and support is available at bbc.co.uk/actionline

Presented by Suchin Mehrotra Series written and produced by Satiyesh Manoharajah Audio production, sound design and original music: Steve Urquhart Executive producer Alistair Jackson A BBC Studios Production