The government has also decided to transport the Congolese national's mortal remains to the Democratic Republic of Congo.
The External Affairs Minister said both Singh and Jung assured her that the culprits will be arrested soon.
"I have spoken to Shri Rajnath Singh ji and Lt Governor Delhi reg attack on African nationals in South Delhi yesterday.
"I have asked Gen V K Singh, MoS and Secretary Amar Sinha to meet# African students who have announce demonstration at Jantar Mantar," she said in another tweet.
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Sinha, Secretary (Economic Relations) in the MEA has been in touch with African community following the attacks.
African students are planning demonstrations on Tuesday at Jantar Mantar seeking action against the guilty.
Separately, External Affairs Ministry Spokesperson Vikas Swarup said government will assist the family of the Congolese youth Masunda Kitanda Oliver to come to India and to take his mortal remains.
As African envoys reacted sharply to Oliver's killing,
three cases of physical assault and criminal intimidation of African nationals in south Delhi were registered by the police.
Police attributed two of the incidents to locals raising objection to the African nationals' playing loud music during late night, and the other to objection raised against a group of Africans consuming alcohol in public.
The complainants in Thursday's cases include two women -- one from Uganda and the other from South Africa -- and at least two Nigerian men, police said.
In a separate incident, a 23-year-old Nigerian student was attacked in Hyderabad on Wednesday night over dispute over parking.
Swaraj had taken up the issue with Telangana Chief Minister K Chandrasekhar Rao, who promised stringent action against the guilty.
She had also sought an urgent report from the Telangana government over the attack.