Sports Minister Ajay Maken has asked the Indian Olympic Association, IOA, to raise the Dow Chemical's sponsorship issue in upcoming Olympic games with the International Olympics Committee, IOC.<br/><br/>In a letter to the IOA, Mr. Maken said, there is strong public sentiment about the issue and a number of ex-Olympians have also raised it.<br/><br/>Dow Chemicals is one of the sponsors of upcoming London Olympics and it had bought Union Carbide which is responsible for the Bhopal gas tragedy.<br/><br/>Meanwhile, Working President of IOA Vijay Kumar Malhotra said that he will discuss the issue with the office bearers soon. Mr. Malhotra added that he will do his best to convey the concerns of the victims to IOC.