India's Prime Minister Manmohan Singh has left for a eight day trip to Mexico and Brazil to attend two key global summits hosted by the Latin American countries.

The Prime Minister will attend the seventh summit of the Group of 20 developed and developing countries(G-20) in Mexican resort town of Los Cabos on June 18. He will then travel to Brazil to attend the Rio+20 Summit in Rio De Janeiro on June 20.

Global leaders are expected to discuss the crisis in Europe, which along with the slowdown in growth in China and India is threatening the global economy as a whole. The sovereign debt crisis in the eurozone has resulted in the inability of government in Spain and Greece to refinance their sovereign debt without the assistance of lenders.

The Rio Summit is an effort to renew an effort to get support for a common environmental blueprint by global leaders. The occasion, the United Nations Conference on Sustainable Development in Rio de Janeiro is likely to conclude in an outcome document with support from the developing as well as the developed world.