The main accused in the case, Swapna Suresh and another former employee of the UAE consulate named Sarith were arrested in July for using forged papers to claim diplomatic immunity and smuggling gold from UAE.
The Congress leader met a delegation at Malappuram, Kerala on Monday and promised them to look into the issue of the arrest of 'journalist' Siddique Kappan.
Swapna Suresh has also admitted before the probing agency that the private meetings between Vijayan and the UAE diplomats were held at CM's official Vijayan's official residence in Thiruvananthapuram.