Rani Patti is a village in Mehsi tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Rani Patti was 1,677 which includes 885 males and 792 females. Rani Patti covers 64 ha area. Pincode of Rani Patti is 845426.