Information and Broadcasting Minister Venkaiah Naidu today said the demonetisation step was taken to check the misuse of the high value notes by black money holders. <br/><br/>Talking to media in New Delhi, Mr Naidu said, some opposition parties are resorting to the malicious campaign to belittle the move taken by the Centre which will benefit the poor in the country. <br/><br/>The Minister said government will take more such initiatives in the future to strengthen economy. <br/><br/>He said, there are absurd allegations that the government informed some people about demonetisation in advance.