"We have no second thoughts... Will contest independently and there will be no last minute change in our decision," PMK founder S Ramadoss told reporters here.
The party, which has been projecting itself as the alternative to Dravidian majors AIADMK and DMK, would release the candidates list for all 234 seats at an 'apt' time, he said.
PMK, which contested the 2014 Lok Sabha elections as a part of BJP-led NDA, had last year initially resolved to forge an alliance for the state elections, but later changed its stand in September, saying it would go alone.
Recently PMK had offered to give 'deputy chief minister post' to BJP if the party-led alliance came to power.
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Ramadoss today said PMK would contest all 234 seats on its own and emerge victorious in at least 120 constituencies and form the government.
When asked whether the party would not change its stand again, he said it was firm on contesting alone and there would be no change in the last minute.
He claimed the popularity of Anbumani, who has been touring the state, was increasing.