The Tehri dam is the highest dam in India and one of the highest in the World. The Tehri dam withholds a reservoir of capacity ` 4 . 0 km^(3)` and surface area `52 km^(2)` . It is used for irrigation, municipal water supply and the generation of 1000 MW of hydro electricity. The Tehri Dam has been the object of protests. Environment activist Shri Sunder Lal Bahuguna led the "Anti Tehri Dam Movement" from 1980s to 2014. The protest was against the displacement of town inhabitants and environmental consequences of the weak ecosystem. The relocation of more than 1,00,000 people from the area has led to protracted legal battles over resettlement rights and ultimately resulted in the delayed completion of the project.
Mention two disadvantages of constructing Tehri Dam.

Explanation

### Step-by-Step Solution:

1. **Understanding the Context**:
- The Tehri Dam is the highest dam in India and has a significant capacity and surface area. It serves multiple purposes, including irrigation, municipal water supply, and hydroelectric power generation. However, it has also been the subject of protests due to its environmental and social impacts.

2. **Identifying the Disadvantages**:
- The question asks for two disadvantages of constructing the Tehri Dam. We can derive these from the information provided in the passage.

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