Correct Answer: (c) Both 1 and 2
Solution:Chola dynasty was established by Parantak-I in Southern India. He defeated Madura King and assumed the title of "Madurai-Kond." According to Thanjavur inscription, Rajaraja-I defeated Cheras naval army in Kandalloor and them Rajaraja-I and his son Rajendra-I sent an expedition against. Sailendra empire of South East Asia and conquered some of the areas as they were facing difficulty in a trade with China.