Congress today approached the Election Commission over the alleged opening of postal ballots by the administration officials in Balaghat in Madhya Pradesh ahead of counting. <br />''<br />''A party delegation comprising Congress leaders Abhishek Manusinghvi and Salman Khurshid met the commission in New Delhi over the issue and demanded to look into the matter. The party also raised the issue of alleged objectionable remarks made by senior BJP leaders during poll campaigns in Madhya Pradesh and Rajasthan. In their meeting with the poll body, the Congress leaders raised apprehension that the ruling BRS in Telangana may violate the poll norms during the silence period by holding campaigns.<br />''<br />''<br />