Hyderabad, Nov. 13 -- Andhra Pradesh plans to formulate a state-level investment protection law to insulate investors from changes after change in the state's ruling party, chief minister N Chandrababu Naidu said on Thursday, and urged the central government to consider a similar law at a national level. "We are bringing in an Investment Protection Act at the state level to safeguard investors from regime changes and political vendetta. The Centre must support it," Naidu told the gathering of business leaders, diplomats and foreign investors at thetwo-day CII Partnership Summit being held in Vishakhapa-tnam. In his presentation, the chief minister said concerns over regime changes and vindictive politics that follows a regime change created apprehensions among investors....