Karbasa Birnian is a village in Bausi tehsil in district of Banka, Bihar, India. As per the data provided by Census of India in 2011, total population of Karbasa Birnian was 995 which includes 505 males and 490 females. Karbasa Birnian covers 346 ha area. Pincode of Karbasa Birnian is N/A.