Bahal Detwalian is a village in Barsar tehsil in district of Hamirpur, Himachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Bahal Detwalian was 135 which includes 67 males and 68 females. Bahal Detwalian covers 25 ha area. Pincode of Bahal Detwalian is 176041.