Madurai - Sengottai - Kollam Passenger trains anyway has 2 rakes. Madurai - Sengottai Express which reaches Sengottai will leave as Sengottai - Kollam Express. This rake is idle for almost 12+ hrs. Instead this train can leave as Kollam - Trivandrum - Nagarcoil Express. The early morning Kottayam - Kollam Express which reaches Kollam is also idle for 4+ hrs. This rake can leave Kollam by afternoon to Sengottai and then it can proceed as Sengottai - Tirunelveli Express to Tirunelveli. The Tirunelveli - Sengottai Express on reaching Sengottai can leave as Sengottai - Kollam Express by evening