Agauthar Sundar is a village in Ishupur tehsil in district of Saran, Bihar, India. As per the data provided by Census of India in 2011, total population of Agauthar Sundar was 3,510 which includes 1,830 males and 1,680 females. Agauthar Sundar covers 210 ha area. Pincode of Agauthar Sundar is N/A.