The Chairman of Pakistan Tahrik-e-Insaaf, Imran Khan said on Monday present government was also responsible for the Melody chowk bomb blast, which took at least 21 lives in Islamabad on Sunday. Talking to media, PTI chief said there was no difference in the policies of Shaukat-led and new governments. Problems faced by the people during this regime were never seen before in the past, Imran commented.Khan told PTI was planning to hold a massive gathering in Islamabad on the occasion of country's independence day. Party wanted to remind the government the promises it made to the people for judges' restoration, Khan added.