The investigation into the mysterious death of singer Zubeen Garg took a new turn on Thursday with the arrest of co-musician Shakharjyoti Goswami and co-singer Amritprabha Mahanta, Assam Police confirmed. Four Arrests So FarWith the latest arrests, the number of people taken into custody in connection with Garg’s death has risen to four. On Wednesday, police had already arrested Garg’s manager Siddharth Sharma and festival organiser Shyamkanu Mahanta. Zubeen Garg’s Death In SingaporeThe celebrated Assamese singer died on September 19 under unexplained circumstances while swimming in the sea off Singapore. The Assam Police formed a nine-member Special Investigation Team (SIT) headed by Special DGP Gupta to ensure a thorough probe in Garg's death.