don't keep urself limited to chords,
learn new chords.
don't go like songs with so and so chords only
choose any song u like
ask urself what is ur favourite song.
search the chords
without vocals or simply humming
when u get perfect at chord changes
nyway.. for starters try
papa kehte hain
tune mujhe pehchana nahee(raju chacha)
try with barre chords also.practice until u finally get it.