The meeting, the seventh so far, was held at the Deputy Chief Labour Commissioner's office.
Trade unions, including AITUC and CITU, the management of Neyveli Lignite Corporation and Regional Labour Commissioner, Chennai, participated in the talks, S Balaji, NLC Chief General Manager said.
He said the unions were demanding that 2,000 workers be absorbed as regular workers, among other things, in the first phase.
The demand was turned down by NLC, K Venkatesan, General Secretary, AITUC, said.
Meanwhile the indefinite strike entered the 23rd day over the workers' six point charter of demands, which include service regularisation, wage hike and bonus.