This is one of the excellent song from the upcoming film Rockstar starring Ranbir Kapoor.
Music Director: A.R.Rahman

Chords used are:
Em- 022000
G- 320003
D- xx0232
Am- x02210

Intro:
     Em (022000@1)        Em (022000@1)       Eme--------0--------------------------------------| (022000@1)B-------------0---------------------------------|
G----------0----------2-------------------------|
D-----2----------4h5------4----0----------------|
A-----------------------------------------------|
E--0--------------------------------------------|

Intro part is played in the starting of
Ya ya ya .. oo oo  till the vocals start.

This is from where the vocals start:

Chorus:
EmJo (022000@1)bhi main, kehna chahoon
G (320003@1)    Em (022000@1)       EmBarbaad (022000@1)karein, alfaz mere, alfaz mere   ( There is not a full Gmajor. It is
                                           played   for avery (x02210@1)very short
                                           time.)

EmOo (022000@1)yeah yeah oo ..

Verse:

G (320003@1)                         DKabhi (xx0232@1)mujhe lagey ke jaise, saara hi yeh jahaan hai jaage
Am (x02210@1)                         DJo (xx0232@1)hai aur nahin bhi hai, yeh fiza ghata hawa bahaarein
G (320003@1)         DTujhe (xx0232@1)kare ishaare ya
Am (x02210@1)         DKaise (xx0232@1)kahun, kahani main inki

Chorus:
EmJo (022000@1)bhi main, kehna chahoon
G (320003@1)             EmBarbaad (022000@1)karein, alfaz mere, alfaz mere

EmOo (022000@1)yeah yeah oo ..

Enjoy the song and if you have any suggestions or queries please mail me at sohamkhare91@gmail.com