Parliamentary Affairs Minister Ananth Kumar has requested the opposition to cooperate with the government so that passage of key legislations can be ensured. <br/><br/>Talking to media after BJPParliamentary Board meeting in New Delhi this morning, Mr Kumar said, issues can be raised and discussed in both the Houses but there should be a debate and not disruption. When asked about passage of Goods and Services Tax Bill, the Minister said it is being discussed at appropriate levels.