steps t b taken while changing lane:

1)look in the rear mirror
2)indicator
3)Side mirror
4)blind view , turn your head
6)rear mirror again
7)slowly change lane
8)speed up little
9)upon changed lane, off the indicator
10)speed down to the normal

ooff.. 10 steps for changing lanes... and guess what.. where NOT to change lane
1) straignt long line (marked on road)
2) round abouts
3) t section
4) intersection
5) u-turn
6) two way traffic

just to let u know.. i got failed 3 times in LANE CHANGING. so.. be careful and best of luck