DAMs of India

* In which River Hirakud dam (longest dam in India) is situated ?
Answer: Mahanadi (Odisha) 

* In which River Bhakranangal dam (largest dam in India) is situated ?
Answer: Sutlej (Himachal Pradesh) 

* In which River Tehri Dam (highest dam in India) is situated ?
Answer: Bhagirathi River (Uttarakhand)
*
In which River Nagarjunasagar Dam is situated ?
Answer: Krishna River