Engineers and field staff of the Tamil Nadu Generation and Distribution Corporation conducted surprise checks on 767 power connections in different parts of Gandhi Market section on Tuesday. A Tangedco press release here said that a 16-member team of engineers and field staff team led by Rajendra Vijay, Executive Engineer (operations and maintenance), Tiruchi Metro Circle, carried out the surprise checks and detected problems such as meter faults. The Tangedco would continue to conduct such surprise checks, a press release said.