I submitted a research paper to a journal in March 2015. One a half month later I got back a major review from one reviewer and a minor from the other. Overall, it was classified as major revision.
It took me two months to inculcate all the suggested points and I re-submitted the improved version on the 3rd of July. The status immediately changed to under review. Since the original reviewer who suggested major revision could not review it this time, the services of a third reviewer were acquired. After four and half months (on 13th of November), I got back yet another major revision.
Is it normal to have a paper reviewed by another reviewer? And what can be the probable outcome? My colleagues were telling me that major review for the second time is very concerning.