Percutaneous mitral valvuloplasty helps in treatment of stenosed MV. percutaneous balloon mitral valvuloplasty can be done by Transvenous approach and Transarterial approach Percutaneous transvenous mitral valvuloplasty (PTMC) is the used for this procedure. Main techniques followed are single balloon technique, double balloon technique and Inoue balloon technique. Step wise intervention that has to be followed is: clinical profile of the patient, echocardiography, transseptal catheterization, balloon preparation, crossing of the MV, safe and effective balloon dilation and avoiding complications especially MR and cardiac tamponade. Each of these steps is discussed in detail. Several points should be remembered while performing PMV in pregnant patients.