Hyderabad: Telugu actor Mahesh Babu is expected to appear before the Enforcement Directorate (ED) officials on Monday in connection with the money laundering investigation involving Hyderabad-based real estate firms Sai Surya Developers and the Surana Group. The ED is probing the allegations that these companies defrauded homebuyers by selling unauthorised plots and failing to deliver on promised projects. Mahesh Babu, who is their brand ambassador, had endorsed several of their ventures