Indian Home Minister P Chidambaram has warned Pakistan against meddling with India and said any more attack from the country will be retaliated very strongly. He said he has been warning Pakistan not to play with India and that the Mumbai attacks should be the last game. We have been gaining strength day by day to counter terrorism from across the border. I have been warning Pakistan not to play games with us, he told a public gathering.If terrorists and militants from Pakistan try to carry out any attacks in India, they will not only be defeated but will be retaliated very strongly, he said in his speech in Tamil. He maintained that Indias security was being improved.