New Delhi, Jan 10 (IANS): UN Secretary General Ban Ki-moon, who arrives here later Saturday on a four-day official visit, will first head to Gandhinagar to attend the Vibrant Gujarat Summit as the guest of honour.

Ban will be accompanied by his wife Madam Yoo Soon-taek and a team of officials.

He will be the keynote speaker at the Seventh Vibrant Gujarat Summit Sunday, and will also meet Prime Minister Narendra Modi at the summit.

Ban will tour the Sabarmati Ashram and inaugurate a 10 MW canal-top solar power plant in Vadodara.

A solar power plant in Vadodara's Sama area is a showcase project set up by the Sardar Sarovar Narmada Nigam Ltd.

In New Delhi, Ban will call on President Pranab Mukherjee, Lok Sabha Speaker Sumitra Mahajan, External Affairs Minister Sushma Swaraj, Defence Minister Manohar Parrikar and Environment Minister Prakash Javadekar.

He will also deliver the 13th Sapru House Lecture on "India and the United Nations in a Changing World" at the Indian Council of World Affairs Jan 12.