Gujarat lifeline - Sardar Sarovar Narmda Dam - overflowed on Thursday morning as a result of heavy rain in neighbouring Madhya Pradesh. Water level of the dam’s current height 121.92 meter crossed following constant income of fresh water.“Generally the dam overflows every year during September, but this years it has overflowed two months earlier in July due to heavy rain in upstream areas. However, it is overflowing slightly as in the morning water level had reached at 121.94 meter, hardly 2 cm more than the dams height,” said Ashok Gajjar, executive engineer at the dam site in Kevadia Colony.