History · Early Medieval India

Consider the following statements regarding historical and political developments in ancient and early medieval India: 1. The Gupta Empire is historically regarded as a Golden Age of classical Indian civilization. 2. The Cholas developed a highly structured local governance system featuring autonomous village assemblies like the Ur and Sabha. 3. The Pallavas made monumental contributions to art and rock-cut architecture, notably at Mahabalipuram. 4. Emperor Harsha successfully extended his empire over the entire Indian subcontinent, including all southern regions. Which of the statements given above are correct?