India, June 7 -- The fast-track trial in the Nasrapur minor rape and murder case saw a key development on Saturday, with a forensic expert completing his chief examination before a special court in Pune and authenticating crucial electronic evidence relied upon by the prosecution.

Special Public Prosecutor Advocate Ajay Misser said the expert testified in detail about the collection, preservation and examination of CCTV footage obtained during the investigation. He also explained the significance of digital hash values, which are used to verify the integrity and authenticity of electronic evidence.

"The forensic expert's chief examination has been completed. He has given evidence regarding CCTV footage and hash values and has proved the...