External Affairs Minister Sushma Swaraj on Tuesday called on Singapore Prime Minister Lee Hsien Loong who arrived here on Monday on a five-day visit to India."First engagement for an honoured guest from the East. EAM @SushmaSwaraj calls on PM @leehsienloong of Singapore in Delhi," External Affairs Ministry spokesperson Vikas Swarup tweeted along with a picture of the two leaders.Lee is scheduled to hold bilateral discussions with Prime Minister Narendra Modi later on Tuesday following which agreements will be signed between the two sides.On Wednesday, Lee will call on President Pranab Mukherjee before leaving for Udaipur.The Singapore Prime Minister is being accompanied by a high-level delegation that includes Minister of Trade and Industry S. Iswaran; Acting Minister of Education (Higher Education and Skills) and Senior Minister of State for Defence Ong Ye Kung; Senior Minister of State, Ministry of Defence & Ministry of Foreign Affairs, Mohamed Maliki Bin Osman; and Members of Parliament Denise Phua and Vikram Nair.