Psychology of Sports Means Applyingpsychological Theories and Concepts to Aspects of Sport. the Study Was Aimed Atassessing the Effect of Mental Practice In the Learning of Selective Defensiveskills In Cricket. By Applying Simple Random Sampling to All the Cricketacademies of West Delhi Area a Total of 5 Cricket Academies Were Taken As Thecentre of Administrating the Test and Collection of the Data, Then Again Byapplying Simple Random Sampling to the Selected Academies a Total of 100 Malesubjects Were Selected, and Further Were Divided into Two Sub Categories, I. E.(50 Control Group and 50 Experimental Group). the Pre Data of the Groups Weretaken on Back Foot Defence and Front Foot Defence In Cricket. the Tests Wereselected from the Skill Tests Designed By Frank Tyson. Further the Experimentalgroup Was Induced to First Skill Practice Followed By Self Confidence, Anxietyand Imagery Training And, Whereas the Control Group Only Did the Skill Practiceof Their Own. For the Assessment of Self Confidence, Anxiety, Imagery Trainingand Collection of the Data the Selected Experimental Groups Were Given Trainingfor 12 Weeks For Three Days of a Week (Thursday, Friday and Saturday) After Thecricket Practice Session For 30 Minutes For the Selected Self Confidence,Imagery and Anxiety Exercises. the Statistical Techniques Employed Weredescriptive Statistics Followed By Independent‘T’ Test and Paired‘T’ Test. Thevariable For the Study Will Be Mental Imagery, Self Confidence and Anxiety. There ...