The high-level visit from India is being considered significant in the political spectrum here.
Swaraj will be the first senior Indian minister to visit Nepal after the conclusion of elections to local bodies, provincial assemblies and federal Parliament.
"This will be a high level goodwill visit," said the Indian embassy sources.
Nepal successfully concluded three phase of provincial, local and parliamentary elections as part of its efforts to implement the new Constitution that was promulgated in September 2015.
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Swaraj will meet Oli, who through a letter congratulated Prime Minister Narenra Modi on the 69th Republic Day of India. She will also meet CPN-Maoist Centre Chairman and former prime minister Pushpa Kamal Dahal 'Prachanda'.
She will also call on President Bidhya Devi Bhandari and Prime Minister Sher Bahadur Deuba tomorrow.
The clear victory to the Left alliance -- CPN-UML led by Oli and the CPN-Maoist led by Prachanda -- was not seen as a positive development for India given that Oli had publicly criticised New Delhi for interfering in Nepal's internal matters and accused it of toppling his government last year.