I figured out these chords on my own by closely listening to the song but want ti 
you guyz that as far as the chords used are concerned these are 100% authentic but have 
played in a very different and sometimes complicated matter throughout the song...enjoy!

Tuning : Standard (EADGBe)

Chords used :A,B,C#m,E,Abm

Verses

E
Bheegie si ik raat ye
             Abm
le ayee kya saath ye
       A
dharkanein jo hamein
        E
kehne lagee hain

E
Khamoshi ke darmayaan
            Abm
dab jaye gi baat ye
       A
dharkanein jo hamein
        E
kehne lagee hain

CHORUS

   C#m
Na kaho
    A
na suno
  Abm
khamoshi
   A
guftugu
      E
Hone lagi hai
  Abm            A
zindagi khuwaab mein
       E
khone lagi hai

Verses
E             A
Tabeerein le aoon mein
B            E
tum sapne de do mujhe
E              A
aisa kya hai itne kyun
B          E
ache lagte ho mujhe
Abm           A     E
tum hi jeewan ki aarzoo
         Abm            A     E
aaa aa a tum hi jeewean ki aarzoo

CHORUS

   C#m
Na kaho
    A
na suno
  Abm
khamoshi
   A
guftugu
      E
hone lagi hai
  Abm
zindagi
         A
khuwaab mein
      E
khone lagi hai

and the rest of the song carries the same pattern I hope you can work it out...Chao!!!