MHD instability, disruption & its mitigation study in 2007 MHD stabilities in low q (q < 3) discharges Seed island suppression and sawteeth control by ECCD ELM features in H-mode discharge Disruption mitigation using the MBI of argon, impurity injection by LBO Database for disruption prediction Sawtooth activities during ECRH Correlation between MHD activities and confinement Instabilities induced by energetic electrons