President Asif Ali Zardari, who arrived in Islamabad from Karachi late Tuesday night, held a one on one meeting with Prime Minister Syed Yusuf Raza Gilani here at the Aiwan-e-Sadr. After the meeting with Prime Minister Gilani, the President will meet with the heads of coalition parties in the government and also hold a meeting of the PPP Core committee, Spokesperson Farhatullah Babar said.