Did you know that the Ganga & Kaveri rivers are connected? ... by Mysore Varanasi Express - Vishwanath Joshi

I want 6 Berths from train no. 12618 Mangala Laxdeep for 05.05.2014 from Nashik Road to Madgaon by 3 AC . Indiarailinfo. com shows against this train RLWL17/WL8. further this pair of stations shows that AVBL 4.
What does it mean that if I book for 6 berths no doubt in waiting list whether I can get afterwards 6 seats if allthe 4 avbl passengers get their tickets cancelled?

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