Mumbai: The Maharashtra unit of CPI today sought amendments to the Food Security Bill introduced in Parliament last year. “Since there are some loopholes in the proposed bill, with the possibility that the legislation will infringe upon the rights of state governments, amendments should be made to it,” CPI member Prakash Reddy said. He said the Left parties, including the CPI, CPI (M) and Forward Bloc (FB) are staging agitations in various parts of the country from yesterday over the demand. Reddy further said the PDS system in the country need to be streamlined and its current scope be expanded.