VIJAYAWADA,: Rajamahendravaram is to get the Heritage City tag soon, with state archaeological authorities collecting concrete evidence of the city being once ruled by Chalukya dynasty in 10th and 11th centuries. Rajamahendravaram has many historic structures from subsequent periods, like Royal Mosque of 1353 A. D. near One Town police station, residential building of social reformer Kandukuri Veeresalingam, Markendaya Swamy …