Andheri - The story was making rounds that two buses with similar number plate MH 04 FK 73, were caught by RTO police officers on 1 December. What's surprising is that one more bus with same number plate was caught. This has unfolded a new mystery and raised few doubts whether is it a big racket or a Richie rich saving his taxes? Police is probing further in the case, and is adamant to take strict action against the culprits once found.