The companies are Opelina Sustainable Services Ltd, OPJ Trading Private Ltd and Gagan Infra Energy Ltd.
"These promoter companies have repaid loans of around Rs 391 crore out of total debt amount Rs 747 crore as on December 3, 2019," the official said.
The said promoter companies have also informed the exchanges about the development, he said.
"With this repayment, the current debt at promoter level under loan against shares stands at only Rs 356 crore," he said.
Part of the USD 25-billion OP Jindal Group, JSPL has presence in steel, power, mining and infrastructure sectors.