The purpose of the study was to compare the propulsive task related physical fitness in obese and non obese school boys. To achieve the purpose 150 school boys from classes 11th and 12th were selected as subjects from JVP International School, Jaipur. The students were divided into ‘obese’ and ‘non obese’ group based on their skin fold measurements. Each group consists of so subjects. The abiility to propel and lift the body mass is called propulsive task related physical fitness.The selected propulsive task related physcial fitness variable were assessed by standing broad jump, 50-yard dash, shuttle run, sit-ups and 600 yards run and walk tests.