India is set to unveil an ambitious roadmap to further solidify its ties with the African continent at a crucial summit on May 31 that will primarily focus on ramping up cooperation in an array of sectors in the face of increasing geopolitical upheavals. Top leaders of a sizeable number of African nations are expected to attend the fourth India Africa Forum Summit to be held in New Delhi, officials said on Saturday. The summit will primarily focus on boosting cooperation in areas of economy and trade, agriculture, health, education, climate action, defence, space technology, energy, critical minerals and high-technologies among others, they said.