Along with Narayanasamy, five Congress legislators will be sworn-in as ministers.
They are A Namassivayam, Malladi Krishna Rao, Shah Jahan, M Kandasamy and R Kamalakannan (all are former ministers), Secretary to the Governor Theva Needhi Das rpt Secretary to the Governor Theva Needhi Das said.
Lt Governor Kiran Bedi will administer the oath of office and secrecy to the six-member team of ministers at 'Gandhi Thidal' near the sea shore at 12.10 pm, Das rpt Das said.
69-year-old Narayanasamy, who had served as Minister of State in the Prime Minister's Office in the second UPA government after serving as MoS Parliamentary Affairs in UPA- I, did not contest the May 16 assembly polls and will now have to seek election to the legislature in a bypoll.
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Raj Nivas sources told PTI that the Lt Governor had invited Narayanasamy to form the government. The Union Home Ministry had since approved Narayanasamy's letter staking claim to form the government.
Narayanasamy had also submitted to Bedi the names of the Congress legislators to be his cabinet colleagues.
He was elected leader of the 15-member Congress Legislature party on May 28. The party also has support of the two-member DMK in the 30-member Assembly.
The two were camping in Delhi after the poll results were announced holding talks with the party high command, and there was delay in ministry formation because of the tussle.
Congress had secured 15 seats of the 21 seats it contested while its ally the DMK two in the assembly polls, ending the five-year rule of the AINRC.