Power system repair and restoration is a novel problem in power system as it is concerned with the reliability. However, it is a challenge to achieve a highly reliable power system due to various contingencies occurring in it. These unpredictable events result in overloading of some part of the system and sometimes it even followed by cascade tripping of transmission line, power plant and result in a total shut down of the system. Therefore, it’s very important to have black start plans for the system and prepare a black start operation procedure to recover the system in minimum duration. This report presents some to strategies to restore the eastern grind of Bhutan in the event of total and partial black out.