Leading actor Ajay Devgn and his actress wife Kajol will serve as brand ambassadors of Andhra Pradesh tourism, an official statement said on Tuesday.Ajay met Chief Minister N. Chandrababu Naidu here on Tuesday. He showed keen interest in the development of new state capital Amaravati and its tourist attractions.According to a statement from the chief minister's office, the actor said he, along with his wife Kajol, were ready to be ambassadors of Amaravati and the state tourism. Naidu welcomed the offer and hoped that their contribution would further promote tourism in the state.Ajay also expressed interest in setting up entertainment and media city in Amaravati. He along with his team gave a presentation on the proposed project.Naidu told the actor his plans to develop the capital as one of the best cities in the world. He assured all assistance from the government for the proposed entertainment and media city.