Malahar Kalan is a village in Chenari tehsil in district of Rohtas, Bihar, India. As per the data provided by Census of India in 2011, total population of Malahar Kalan was 1,203 which includes 620 males and 583 females. Malahar Kalan covers 185.4 ha area. Pincode of Malahar Kalan is 821104.