Do not play solid chords under the melody. Instead, play the Chaal (rhythmic pattern). Instead of C# - G# - C# (Octaves), play broken octaves: C# (low) - G# (middle) - C# (high) to mimic the plucking of a Sitar.
Before we add the "better" elements, let's establish the baseline. The song is primarily in (Kalyan Thaat). This means the Ma is Tivra (M#/F#). na kajre ki dhar piano notes better