Trick to Remember "Hydroelectric Dam of Uttar Pradesh"

(Trick: Ri O Ma Ra) 

Ri- Rihand Dam (1962- Sonbhadra at 'Ganga' ) 

O- Obra Dam (1970- Sonbhadra at 'Ganga' ) 

Ma- Matatila Dam (1958- Lalitpur at 'Ganga' ) 

Ra- Rajghat Dam (2000- Lalitpur at 'Ganga' )