The highest dam in India is _____________
A. Bhakra dam
B. Tehri dam
C. Hirakud dam
D. Almatti dam

Hint: The purpose of the dam is, for a variety of purposes, to impound (store) water, waste water or liquid borne materials, such as flood protection, supply of human water, irrigation and supply of livestock water, generation of electricity, containment of mine tailings, recreation or control of contamination.

Complete answer:
Bhakra dam- The Bhakra Nangal Dam is a gravity dam on the Himachal Pradesh River Sutlej. With a height of 225 meters and the second largest dam in Asia, Bhakra Nangal is India's largest dam. Its reservoir, known as "Gobind Sagar Lake," is India's second largest reservoir, with Indira Sagar dam being the first.
Tehri dam- The Tehri Dam on the Bhagirathi River is India's oldest, longest and highest dam and Uttarakhand's eighth highest dam in the country. The Tehri Dam is India's largest dam and one of the world’s tallest. It is a multi-purpose rock and earth-fill embankment dam near Tehri in Uttarakhand, India, on the Bhagirathi River. It is the THDC India Ltd. main dam and the Tehri hydroelectric complex. In 2006, Phase 1 was finished.
Hirakud dam- With a total of 27 kilometers, Hirakud is the world's longest dam established in 1957, this dam is of great historical significance, as it was India's first post-independence multipurpose river valley project. However, it is the oldest Indian dam.
Almatti dam- Also known as the Almatti Dam, the Lal Bahadur Shastri Dam is a hydroelectric project that was constructed in July 2005 on the Krishna River in North Karnataka, India. Over the season, the backwaters of the dam attract many migratory birds.

As, Tehri dam is the highest dam in India which is located in Uttrakhand. Therefore, the correct answer is (Option B).

Note: Maharashtra state has the largest number of major dams in India, with a total of 2354 dams, including 2069 completed and 285 under construction.
Dams help avoid flood-induced loss of life and property.