Tarbela dam is the largest Earth filled dam in the world. It is buolt on river Indus, in Pakistan. Its primary use is electricity generation and supply water for irrigation by storing flows during the monsoon period and use it during the low flow period in the winter . Due to the lower rate of sedimentation, the useful life time of the dam has increased to 85 years.
Here, the option that is not valid is
D. It will be able to supply irrigation water for centuries.
