The announcement followed a meeting between senior police officials and the European Union Ambassador to Kenya, Henriette Geiger.
The CS is under mounting pressure after his recent remarks where he lashed out at the government.
This comes barely two months after President Ruto announced the allocation.
The registration exercise for the portal will be running until February 28 this year.
Afya House has faced repeated power struggles and corruption scandals.
This comes just over a week after Aisha was murdered in a suspected robbery that turned fatal.
CJ Koome made the sentiments during the welcoming ceremony of the new EACC CEO Abdi Mohamud.
Ogamba's clarification comes hours after another government official tendered his resignation.
Applications for the scholarships will be done through the Foreign Affairs Ministry.
This comes hours after news broke that the official had resigned from his post.