Gandraganahalli is a village in Chintamani tehsil in district of Chikkaballapura, Karnataka, India. As per the data provided by Census of India in 2011, total population of Gandraganahalli was 559 which includes 279 males and 280 females. Gandraganahalli covers 119.41 ha area. Pincode of Gandraganahalli is 563146.