The function was also attended by former CM O Ibobi Singh and other top senior government officers.
Manipur Chief Minister N Biren Singh, Deputy CM Y Joykumar and other top civil and police officers attended the swearing in ceremony.
C P Joshi questioned the role of the Governor in Manipur and accused her of playing into the hands of the ruling party.
The BJP has come to power after 15 years of Congress rule in Manipur that was led by Okram Ibobi Singh.
The BJP-led coalition in Manipur includes allies NPP, NPF, LJP and others.
Manipur Highlights: Although the Congress emerged as the single largest party with 28 MLAs, the BJP, with 21 MLAs, claims to have the support of NPP (4), NPF (4), LJP (1), and three others.
Biren’s popularity with other MLAs may have swung the vote in his favour after a round of hectic lobbying between him and party favourite Bishwajit Singh.
Since March 11, there has been high drama and political tussles over formation of the government in Manipur, with both the Congress and BJP claiming that they have the numbers.
She further said that the BJP-led group has been invited tomorrow to form the Government.
Earlier, in an interview with Indian Express, Irom Sharmila had said that that 'people would have voted for her but their right to vote has been occupied by money'.
Union minister Piyush Goyal had confirmed his candidature as the CM of the state as well.
Meanwhile, incumbent Chief Minister Okram Ibobi Singh submitted his resignation to the Governor in the evening.
Last year, Nongthombam Biren left the Congress, his party since 2007, to join the BJP.
The BJP has claimed it enjoyed the support of 32 MLAs in the 60-member assembly.
Biren thanked Prime Minister Narendra Modi and the BJP leadership for giving him an opportunity to serve Manipur.
Currently, the BJP claims to enjoy the support of 32 MLAs in the 60-member assembly.
The BJP claims to enjoy the support of 32 MLAs in the 60-member assembly.
Gaikhangam also described as "completely baseless" the reports that several Congress legislators, including Shyam Kumar, were in touch with the BJP and expressed a desire to support a BJP government.
Currently, the BJP claims to have the support of 31 MLAs in the 60-member assembly.
A day that saw the BJP steal a march over the Congress in a show of strength before the Governor in Manipur couldn’t have had a more apt moment.