The Times of India. Assam Police will challenge the Gauhati High Court's bail orders for Amritprava Mahanta and Sandipon Garg in the Zubeen Garg death case. Special DGP CID Munna Prasad Gupta confirmed that they. The Assam Criminal Investigation Department (CID), which investigated singer Zubeen Garg’s death case, on Sunday said it will move the Supreme.