Dhekaha is a village in Motihari tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Dhekaha was 22,699 which includes 11,977 males and 10,722 females. Dhekaha covers 3522.4 ha area. Pincode of Dhekaha is 845401.