Can a helicopter fly VFR at night in India? As per the title, can a helicopter fly VFR at night in India?.
If yes, can the pilot ask for special VFR?
In short, yes, a helicopter can fly at night, in the US.  Special VFR requires that the aircraft and pilot be instrument capable, but that requirement is not applicable to helicopters.  VFR weather minima are different for helicopters than airplanes.