Engineers Backbone Classes : 9304040082 : Contact : Above OM SAI KIRANA STORE, Lane No- 10, Ranjan Path, Danapur Cantt, Patna - 801503, Near Shiv Mandir, Gola Road
KUNDAN CLASSES : Kundan Sir : 9708087242 , 9525713396, 9334976058 : Contact : Beltal, Danapur, Digha-800012