[2][3] After the election he was appointed Minister of Fisheries, Transport, Trade and Rural Development.
[6][7] Starting in late 2016, several charges of irregular practices were levelled against the four provincial ministers for Northern Province.
[9][10] In June 2017 the NPC was plunged into chaos after Chief Minister Vigneswaran asked P. Ayngaranesan and T. Kurukularajah to resign after the three-member committee found evidence to substantiate charges of corruption, abuse of power and misuse of funds levelled against the two ministers.
[13][14] On 14 June 2017 a motion of no confidence against Vigneswaran was handed to Governor Reginald Cooray by several ITAK and opposition members of the NPC.
[19][20][21] The central committee of Tamil Eelam Liberation Organization met on 20 August 2017 and suspended Deniswaran from the party for six months.