Swades is a true/inspired story of Aravinda Pillalamarri and Ravi Kuchimanchi, the NRI couple who returned to India from Maryland-US in 1991 and developed the pedal power generator to light a remote village in Srikakulam.
As for under-rated, has anyone watched Pitamagan (tamil), Samsara (ladaki), Junoon (hindi). Among others are Parinda, Prahar, Nishanth, Vaanaprastam (malyalam), Saagarasangamam (telugu).
Amitabh Bachchan's Aakhri Raasta is the most under-rated movie of all time !! How Political, Medical and Police Persons exploit a Poor person and rape his wife AND the Subsequent revenge of the Poor person after he comes out of jail after 27 years was a beautiful saga of Love, Betrayal, Father V/s Son Conflict and Revenge !!
