The Prime Minister Dr. Manmohan Singh will hold discussions with the heads of the states of South Africa and Brazil later in the day. In his meeting with the South African President Jacob Zuma, enhancing bilateral economic ties will be high on the agenda. Bilateral trade has reached 15 billion US Dollars and 96 Indian firms are currently investing in South Africa.Several Indian banks are also moving in, with State Bank of India, ICICI Bank and Bank of Baroda already established. South Africa is making investments in the infrastructure sector in India. Close to 1.3 million Indians are living in South Africa.In his meeting with the Brazilian President Dilma Vana Roussef, energy and economic cooperation with the oil rich country will be at the centre of discussions. This is important in the wake of volatility of prices of crude due to uncertainty in Libya and some North African states.The Prime Minister will be reaching Astana capital of Kazakhstan on Friday on his two day official visit at the invitation of President Nursultan Nazarbayev. It will be his first visit to Kazakhstan and second to central Asia region. Dr. Singh will have bilateral talks with Kazakhstan President Nursultan Nazarbayev and his counter part Karim Massimov in Astana on several issues including civil nuclear cooperation, Agriculture and enhancement in trade. AIR correspondent reports, about six agreements and MoUs are likely to be signed during the visit of Prime Minister Dr. Singh and a joint statement will issued at the end of the visit. Host of issues will be discussed between meetings of top leadership of both the countries. Dr. Manmohan Singh is first dignitary visiting Astana after re-election of President Nazarbayev on 3rd of this month.