Inclusion Criteria:  The eligibilities of participants are;  Adults aged 18 years or above; Patients admitted to hospital with CHD for the first time confirmed by electrocardiogram; Patients able to reads and speak Tamil; Patients able to attend clinic follow-up, and obtain a medical clearance from a cardiologist to perform the exercise. The medical records of the CHD patients will be reviewed to screen for their eligibility. In addition, the cardiologist and physiotherapist at the study hospital will be consulted for confirming the suitability of the participants to perform the exercise of the intervention.  Exclusion Criteria:  The exclusion criteria are;  Patients with absolute and relative contradictions to perform the exercise or at high risk for exercise, namely rest ejection fraction less than 40%, history of cardiac arrest, complex dysrhythmias at rest or during exercise testing or recovery, complicated myocardial infarction, high level of silent ischemia during exercise testing or recovery, presence of abnormal hemodynamics with exercise testing or recovery and presence of angina or other significant symptoms according to the American College of Sports Medicine (ACSM) guideline and American Association of Cardiovascular and Pulmonary Rehabilitation (AACVPR) guideline (American College of Sports Medicine [ACSM], 2014); Patients with any diagnosis of life-threatening conditions; Patients with the psychotic disease; Patients who unable to perform physical activity independently.