Barwan Kalan is a village in Adhaura tehsil in district of Kaimur, Bihar, India. As per the data provided by Census of India in 2011, total population of Barwan Kalan was 1,387 which includes 743 males and 644 females. Barwan Kalan covers 3091 ha area. Pincode of Barwan Kalan is N/A.