Indian Prime Minister Manmohan Singh conferred here on Friday with visiting Iraqi Prime Minister Nouri al-Maliki to discuss bilateral relations and ways of enhancing them in various fields. Indian President Pranab Kumar Mukherjee met here earlier today with al-Maliki, where they discussed bilateral relations and ways of enhancing them in various fields. Iraq\'s Prime Minister Nouri al-Maliki arrived in New Delhi Thursday on a four- day official visit to India, upon the invitation of Indian Prime Minister Manmohan Singh. During the visit, the Iraqi PM will also travel to Mumbai. Iraq is the second largest supplier of crude oil to India. India-Iraq bilateral trade stands at $21 billion. A head of government level visit comes after 38 years. In 1975, India\'s then Prime Minister Indira Gandhi had been to Iraq on a state visit.