New Delhi, October 4:Ever since the news broke out that the RBI has placed Mumbai-based Punjab and Maharashtra Cooperative bank under direction, the customers of Punjab National Bank got jittery. Now allaying the fear of customers of the bank, RBI Governor Shaktikanta Das, on Friday, said that in PMC Bank case the interest of depositor is highest priority. He also added every case is unique and based on the PMC Bank case facts; we have acted as soon as it came into light.