B Bettahalli is a village in Tirumakudal Narsipur tehsil in district of Mysore, Karnataka, India. As per the data provided by Census of India in 2011, total population of B Bettahalli was 2,270 which includes 1,143 males and 1,127 females. B Bettahalli covers 456.51 ha area. Pincode of B Bettahalli is 571101.