Brakes are one of the most significant safety systems in an automobile. In the braking process, the rotor will be exposed to large stresses which result in surface cracking, overheating of brake fluid, seals and other components. Therefore one of the main tasks of the braking system is to reduce the surface temperature of the brake rotor. Failure of brakes especially in two-wheelers has been one of the major causes for many accidents. The forced stresses acting on the disc rotor due to forced braking damages the disc and eventually it breaks. This shows that no proper material and design has been chosen while analyzing the disc at different conditions. The study describes the various designs like Normal disc rotor and slotted disc with holes brake rotor. The main objective of this project is to propose a new automotive brake disc rotor design for BAJAJ PULSAR 150 which will reduce the total deformation and increase the maximum heat dissipation. Ventilated disc (Existing design) and Slotted with normal holes (Proposed design) is designed using SOLIDWORKS software. The static structural analysis and thermal analysis of brake disc rotor is done using ANSYS 18.0 using various materials Grey cast iron, ALSIC, Ti6AL4V, AISI 6150, EN8, which is a dedicated finite element package used for determining the von - misses stresses, shear stress, strain, deformation, total heat flux. Across the disc brake profile. The best of the designed and material of brake disc rotor is to be suggested based on the magnitude of von - misses stresses, shear stress, strain deformation, total heat flux