In a setback to AIADMK in Tamil Nadu, as many as 310 leaders, including former ministers, joined the ruling TVK on Saturday. Senior TVK leaders, including ministers N Anand and Aadhav Arjuna, welcomed them to the party at the organisation’s headquarters in Panaiyur, Chennai. AIADMK’s former Karnataka state secretary, V Pugazhendhi, also joined TVK.