CHANDIGARH : The battle-bugle has been sounded. Citing the 4-0 drubbing that India got at the hands of England last year, comeback king Yuvraj Singh has sounded a warning for the Englishmen before the Test series starts in Ahmedabad from November 15. Yuvraj, who was in the city for a promotional event, said that the Indian team will look to avenge the whitewash that they got when they toured England.