This is my first tab so please be nice. I may have made a few mistakes so please 
tell me in case you find any :) Hope you enjoy the song.

You can use both open chords or Barre chords. Both sound good :)

Chords
A - C#m 
D - Em 
Bm 

Strumming Pattern
DDD UUU D

INTRO
A - C#m - D - Em x 2 

Play A twice and then song starts

                Bm
Kyon chalti hai pavan
Bm
Kyon jhume hai gagan
Bm                   E
Kyon machalta hai mann
                A     C#m D E
Na tum jano na hum
A     C#m     D     E
Na tum jano na hum

               Bm
Kyon aati hai bahaar
Bm
Kyon lutta hai karaar
Bm                  E
Kyon hota hai pyaar
                A     C#m D E
Na tum jano na hum
A     C#m    D     E
Na tum jano na hum


A 
Dhadakta bhi hai tadapta bhi hai
D               E                 A
Ye dil kyon achanak bahakta bhi hai
A
Mahakta bhi hai
A
Chahakta bhi hai
D               E                A
Ye dil kya vafa ko samajhta bhi hai
Bm
Kyon milti hain nazar
Bm 
Kyon hota hai asar
Bm                  E
Kyon hoti hai sahar
               A     C#m D E
Na tum jano na hum
A     C#m    D     E
Na tum jano na hum

              Bm
Kyon chalti hai pavan
Bm
Kyon jhume hai gagan
Bm                   E
Kyon machalta hai mann
                A     C#m D E
Na tum jano na hum
A     C#m     D     E

               Bm
Kyon aati hai bahaar
Bm
Kyon lutta hai karaar
Bm                  E
Kyon hota hai pyaar
                A     C#m D E
Na tum jano na hum
A     C#m    D     E
Na tum jano na hum


Thank you