Dharkanha Kalan is a village in Dawath tehsil in district of Rohtas, Bihar, India. As per the data provided by Census of India in 2011, total population of Dharkanha Kalan was 692 which includes 361 males and 331 females. Dharkanha Kalan covers 148.6 ha area. Pincode of Dharkanha Kalan is N/A.