The government will take steps to check misuse of social media platforms over disrupting communal harmony and national security, Communications Minister Ravi Shankar Prasad said here on Wednesday."As far as radicalisation or extremism or communal views are concerned, there is a proper mechanism of coordination between the Home Ministry and our ministry (IT and Telecom ministry)," the minister told reporters in a meeting.He added that recognising the larger commitment of the government, in the case of security, in case of communal harmony and extremism, "if certain steps are needed, they will be taken".