Mairitanr Diara is a village in Guthani tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Mairitanr Diara was N/A which includes N/A males and N/A females. Mairitanr Diara covers 11 ha area. Pincode of Mairitanr Diara is N/A.