What happened in the Baruipur rape and murder case?

One of the main accused in the rape and murder of a 12-year-old girl in West Bengal’s Baruipur has been killed in a police encounter. According to police, Prabhas Mondal was taken to the crime scene in Suryapur early on July 8 to recreate the sequence of events. So, what happened in the Baruipur case?