"No improvements are visible during the four-year AIADMK rule, but only discontinuation of various schemes like SSCP, postponement of the Global Investors Meet and stoppage of the connecting plan of Tamirabarani river project," he said while addressing party workers at nearby Othakadai.
Stalin alleged that there was no proper inquiry into the suicide of Muthukumarasamy, executive engineer of the agricultural department, in February.
"The IAS official inquiring into the granite scam was being threatened, while cases were being filed against press," he said.