The Union Home Ministry sought a report from the state government on Wednesday. The Commission has also given them two weeks to submit their report.
11 people were killed on Tuesday in police firing during protests against the construction of the new copper smelter.
In a major development, the Madras High Court on Wednesday stayed the expansion of the Sterlite Copper plant in Thoothukudi (Tuticorin). They said pollutants from the Sterlite plant have caused breathing disorders, skin diseases, heart conditions and cancer.
Almost 5,000 people demanding closure of the Vedanta group-owned plant went on the rampage over pollution concerns, clashing with police, and setting vehicles and public property on fire. Several protestors were injured.
British-Iranian jailed in Tehran faces new charge: family
Mrs Zaghari-Ratcliffe was arrested during a visit to her home country to introduce her baby daughter Gabriella to her parents. Jailed British-Iranian Nazanin Zaghari-Ratcliffe is facing a new charge against her in Iran , her campaign says.
Chennai: The opposition charge that the anti-sterlite agitation on Tuesday was mishandled by the government and the police response was inadequate, finds support in a recent order of the Madras high court on this issue.
Vedanta, which produces iron ore, copper, aluminium, zinc and oil, said earnings before interest, tax, depreciation and amortisation rose 27 percent to $4.1 billion for the year ended March 31, while revenue rose 33 percent $15.4 billion. Expressing sorrow at the loss of lives, Sterlite in a statement said it has appealed to the government to ensure the safety of employees, facilities and the surrounding communities.
The plant, which can produce 400,000 tonnes of copper a year, has been shut for more than 50 days and will remain closed until at least June 6 because the local pollution regulator has said it is not complying with environmental rules.
Meanwhile, actor-turned-politician Kamal Haasan is heading to Tuticorin. He has questioned the role of the state's chief secretary and asked whether the state government would take action against the police chief.