VISHAKHAPATNAM: Mercury has dropped in agency areas of ASR district, with Chintapalli and Lambasingi, the coldest places in Andhra Pradesh, registering temperatures of 9.1 degrees Celsius and 7.2 degrees Celsius on Sunday. Residents of Chintapalli and Lambasingi revealed that thick fog has been enveloping their places till 10 a.m. since last one week. We do not want to disappoint people …