Senior BJP MP Shatrughan Sinha today cautioned the party over DDCA issue saying that untimely action against Kirti Azad who is continuously attacking Finance Minister Arun Jaitley on the matter could boomerang. <br/><br/>In a series of tweets, Mr. Sinha described Mr. Azad as a hero of the day saying the Darbhanga MP is fighting against corruption. He said the issue should be fought politically, not legally. The actor turned politician also said Mr. Jaitley could follow senior party leader L K Advani's steps in Hawala case and should come clean.