Guwahati, June 24 -- Vipin Raghuvanshi, elder brother of slain Indore businessman Raja Raghuvanshi, said on Monday that his family plans to move the Meghalaya High Court to demand narco-analysis tests for the main accused, Raja's wife Sonam, and her alleged lover, Raj Kushwaha.

Meghalaya Police have already arrested eight individuals in connection with the high-profile murder, which occurred on May 23 while Raja and Sonam were on their honeymoon in Sohra. Among those in custody are Sonam and Kushwaha, both at the center of the investigation.

Vipin questioned the motive behind the killing, suggesting that the truth could emerge through narco tests on the duo. "We still don't know why my brother was killed. The narco tests could uncover i...