evidence: Varanasi: In joint action by STF Gautam Buddh Nagar, Ghazipur police, and Govt Reserve Police of Pt Deen Dayal Upadhyaya Nagar, four Bihar-based liquor smugglers were nabbed on Monday, for killing two Railway Police Force jawans by pushing them out of a moving train on Aug 20. [...] Talking to TOI on Tuesday, Ghazipur SP Iraj Raja said that teams engaged in solving the case of the killing of RPF jawans Mohammad Javed and Pramod Kumar nabbed Vinay Kumar, Premchandra, Pankaj Kumar, and Vilendra Kumar of Patna on Monday. During interrogation, the criminals divulged that they had also thrown the wallets and mobile phones of the jawans while pushing them from the moving train in the Gahmar area. [...] When Pramod and Javed, who were in civil clothes, tried to take stock of the situation, the smugglers thrashed them and prevented passengers from making video. Later, they tore off the clothes of the RPF jawans and threw them off the moving train. The SP said, " Teams are still working to nab other smugglers involved in the killing of the RPF personnel."