Prime Minister Nawaz Sharif on Sunday gave a go-ahead to resumption of talks with Pakistan Tehreek-e-Insaf (PTI) which has announced countrywide strike on December 18, local media quoting sources reported. According to reports, the prime minister has directed Federal Finance Minister Ishaq Dar to prepare Terms of Reference (TOR) of negotiations with PTI. The TOR will be presented at a consultative meeting going to be held today (Monday) in Islamabad with PM in chair. Sources said the meeting will discuss Imran Khan’s demands as well as formation of a judicial commission to probe into alleged vote rigging.