New Delhi, June 27 -- Prime Minister Narendra Modi is set to embark on a five-nation tour next week to participate in the Brics Summit in Brazil and to bolster India's relations with several key nations of the Global South, people familiar with the matter said on Thursday. The main engagement of the week-long visit, expected to begin on July 2, will be Modi's participation in the Brics Summit in Rio de Janeiro during July 6-7, the people said on condition of anonymity. This will be clubbed with a bilateral visit to Brazil to strengthen relations between two important members of the Brics grouping. In addition to focusing on measures to strengthen economic cooperation between members of Brics, the summit is expected to discuss the fallout of conflicts around the globe. The Indian side is expected to seek the bloc's support for its campaign against cross-border terrorism in the wake of the clashes with Pakistan, the people said. Brazil, the current president of Brics, has listed Global South cooperation and partnerships for social, economic and environmental development as its priorities for the summit. Other members of Brics, such as Russia, have been pushing for an alternative payments system with greater trade settlement in domestic currencies to reduce dependence on the US dollar. The Indian side has decided to go ahead with the visit despite reports that both Chinese President Xi Jinping and Russian President Vladimir Putin are not expected to attend the summit. The South China Morning Post reported that Brazilian President's invitation to Modi for a state dinner may have influenced Beijing's decision....