Jamshedpur, July 7 -- Double Down Bar and Cafe owner Neeraj Singh was arrested in Sikar, Rajasthan and a team of Jamshedpur police has taken him on transit remand and left for Jamshedpur in connection with the murder of Himanshu Singh, police said on Monday. Bar manager Vijay Mahanand was also arrested in Odisha and another police team was on way back to Jamshedpur with him....