President Asif Ali Zardari has telephoned Pakistan Muslim League-Nawaz chief Mian Nawaz Sharif and felicitated him on presentation of Eighteenth Constitutional Amendments draft in the Parliament, report said. President Zardari thanked PML-N leader for his support to the proposed constitutional draft and expressed his desire to have an early meeting with Sharif, a presidential spokesman said in a statement issued here Friday. In his conversation with Nawaz, the President credited all the political parties for drafting and tabling of the constitutional amendments draft in the Parliament, terming it a milestone in democratic history of the country, the statement added.