PATNA, Nov. 3 -- Unidentified criminals posing as DRI sleuths robbed gold worth Rs.2.92 crore from a gold merchant's employee traveling on the Howrah-Indore Chambal Express, police said on Monday. The Government Railway Police (GRP) have since arrested three suspects in Bareilly, Uttar Pradesh, and recovered 612.74 grams of the stolen gold. Police are currently conducting raids in Uttar Pradesh to apprehend the two remaining accomplices who are still at large. The incident of gold robbery occurred at Bhabhua Road Railway Station on October 22 when an employee of Sankalp Gold Private Limited, a firm run by businessman Sanjay Kumar Khandelwal of Bareilly, was returning from Chambal Express from Kolkata. According to the police, the criminals at Bhabhua Road Station pretended to be DRI officers and pulled the staff identified as Sanjeev Chouhan from the train. Subsequently, they fled with 2.600 kilograms of gold and a mobile phone. The criminals had threatened to send him jail and raided his owner's house to scare him. After the incident, businessman Sanjay Khandelwal filed an FIR with the Bhabha Road Railway Station, on October 24. On the directive of ADG (Rail) Kamal Kishore Singh, the rail SP formed an SIT under the leadership of Rail DSP Gulshan Kumar to investigate the case....