Close on the heels of two former AIADMK ministers being raided by the Directorate of Anti-Corruption and Vigilance (DVAC), an NGO on Tuesday submitted a complaint against ex-minister K C Veeramani of accumulating assets that are disproportionate to the known sources of income. Arappor Iyakkam, the NGO which filed a slew of cases against S P Velumani who was raided last week,