Opposition Leader in the National Assembly Chaudhry Nisar Ali Khan on Thursday called upon the Government to mend its ways. Addressing the NA session, Nisar said Pakistan Muslim League Nawas has not demanded any unconstitutional step for the change, we have even not called for mid-term polls or Martial Law. However, he affirmed that his faction could be a hindrance for government if rulers continued their 'unparliamentarily attitude. He said the Pakistan Peoples Party should detach its ministers from the Punjab cabinet if the ruling party has objections over the provincial government. Chaudhry Nisar had declared on Monday that midterm polls could be one of the options to get rid of the present rulers. Mid-term election is an option.