"The salt industry should think of technological upgradation, modernisation, mechanisation and value addition of salt, creating of supply chain and warehouses for exports", he said after inaugurating the 'Salt Conclave 2014' here, organised by the Confederation of Indian Industry.
The Minister also asked industries to tap solar power by identifying it through proper funding from public sector banks and from the Ministry of New and Renewable Energy.
"The Centre has allotted considerable areas of salt land for the industrial development of Tamil Nadu," he said.
"The salt workers are in the unorganised sector and did not avail any of the government's welfare schemes, though they are eligible for them," she said.
Singh said the salt industry produced about 25 million tonnes of salt. "About six million tonnes were edible salt and 12 million tonne were industrial. Five million tonnes were exported", she said.
Stating that 95 per cent of the industry is small-scale, Salt Commissioner M A Ansari laid emphasis on the need to improve the quality of salt to international standards and improve productivity per acre as land resources are limited.