Patna, Dec 11 (Agency) Two farmers were shot dead in Rohtas and Vaishali districts in Bihar late last night. According to reports received here from Sasaram and Hajipur, two farmers were shot dead in Rohtas and Vaishali districts late last night. While one farmer Shashikant Rai was shot dead at Ghuranpipra village under Kargahar police station area in Rohtas district,another farmer Mukhlal Rai was shot dead at Mirzanagar village under Mahuanagar police station area in Vaishali district. Both the bodies had been sent for postmortem, police said adding that motives behind killings in both the incidents were being investigated. Raids were being carried out to nab the criminals, police further added.