Borivali - Are you a good samaritan or have you encountered a good samaritan ever in your life? If yes, you would relate to this incident. While on duty, police officer Navin Kumar was working in the Borivali yard, when he found a Samsung J-7 mobile in the local train at 6.00 a.m. on Thursday. Navin Kumar went to the RPF office and handed over the mobile to the senior officer K. K. Mina. The mobile was switched off. After investigations, it was found that mobile belongs to Anju Devendra Singh, who was contacted and the mobile handed over the phone.