Enforcement Directorate (ED) officials conducted simultaneous raids at several medical colleges, hospitals, and residences in West Bengal on Tuesday. The operations, aimed at investigating alleged irregularities in NRI quota admissions, took place in districts including Kolkata, Birbhum, Durgapur, Jhargram, and Burdwan, targeting officials and institutions, including those linked to former CPI(M) leader Lakshman Seth.