The Karnataka Special Investigation Team (SIT) has arrested another key accused, Balasubramanian, in Chennai in the fake medicines case. The arrest takes the total number of arrests in the case to seven. Police said the arrest came after the questioning of alleged kingpin Prashanth Ranjan. Key HighlightsBalasubramanian was arrested in Chennai.The total number of arrests has reached seven.The SIT is probing an alleged interstate fake medicine network.Investigators are checking the movement and supply of suspected fake medicines.SIT Expands InvestigationThe Karnataka SIT is looking into a suspected network that allegedly supplied counterfeit medicines in different parts of the country. The case came to light after authorities seized suspected fake and expired medicines worth around Rs 5 crore near Bidadi in Karnataka.Investigators are now checking how the medicines were obtained, repackaged and supplied. The probe has also covered several states, including Karnataka, Tamil Nadu, Haryana, Maharashtra and Himachal Pradesh. Balasubramanian's Alleged RoleAccording to investigators, Balasubramanian was arrested based on information gathered during the questioning of Prashanth Ranjan. The SIT is examining his alleged links with the network.Investigators suspect that he may have operated a company used for the alleged distribution of suspected spurious medicines. The team is also checking company records and medicine consignments.“The SIT is probing his alleged links to the network and has taken him into seven-day police custody.”The SIT is also trying to identify other people who may have been involved in the alleged supply chain.Fake Medicines Network Under ProbeThe investigation began after a major raid in Karnataka. Officials found suspected counterfeit medicines, labels and other material. The medicines included products used for serious health conditions.Authorities have said the suspected network may have supplied medicines to hospitals, clinics and medical shops. Earlier reports said more than 90 hospitals and clinics in Bengaluru were under investigation in connection with the suspected supply chainThe Karnataka government has formed an SIT to investigate the case. The Drugs Control Department is also working with the police team.The investigation is still underway. Officials are checking financial records, company documents and the movement of medicine consignments to understand the full network.Also Read : Fake Drug Case: SIT Arrests Prime Accused Prashanth Ranjan Babu at Bengaluru Airport